Russian phonology

This article discusses thephonologicalsystem ofstandardRussianbased on theMoscow dialect(unless otherwise noted). For an overview of dialects in the Russian language, seeRussian dialects.Most descriptions of Russian describe it as having five vowel phonemes, though there is some dispute over whether a sixth vowel,/ɨ/,is separate from/i/.Russian has 34 consonants, which can be divided into two types:

• hard(твёрдый) orplain
• soft(мягкий) orpalatalized

Russian also distinguishes hard consonants from soft consonants and fromiotatedconsonants, making four sets in total:/CCʲCjCʲj/,although/Cj/in native words appears only atmorphemeboundaries (подъезд,podyezd,IPA:[pɐdˈjest]for example). Russian also preserves palatalized consonants that are followed by another consonant more often than otherSlavic languagesdo. Like Polish, it has both hardpostalveolars(/ʂʐ/) and soft ones (/tɕɕː/and marginally or dialectically/ʑː/).

Russian hasvowel reductionin unstressed syllables. This feature also occurs in a minority of other Slavic languages likeBelarusianandBulgarianand is also found inEnglish,but not in most other Slavic languages, such asCzech,Polish,most varieties ofSerbo-Croatian,andUkrainian.

Vowels

Vowel phonemes

	Front	Central	Back
Close	i	(ɨ)	u
Mid	e		o
Open		a

Russian vowel chart byJones & Trofimov (1923:55). The symbol ⟨i̝⟩ stands for a positional variant of/i/raised in comparison with the usual allophone of/i/,nota raised cardinal[i]which would result in a consonant.

Russian stressed vowel chart according to theirformantsand surrounding consonants, fromTimberlake (2004:31, 38). C is hard (non-palatalized) consonant, Ç is soft (palatalized) consonant. This chart uses frequencies to represent the basic vowel triangle of the Russian language.

Russian has five to six vowels instressed syllables,/i,u,e,o,a/and in some analyses/ɨ/,but in most cases these vowels have merged toonly two to four vowels when unstressed:/i,u,a/(or/ɨ,u,a/) after hard consonants and/i,u/after soft ones.

A long-standing dispute among linguists is whether Russian has five vowelphonemesor six; that is, scholars disagree as to whether[ɨ]constitutes anallophoneof/i/or if there is an independent phoneme/ɨ/.The five-vowel analysis, taken up by the Moscow school, rests on thecomplementary distributionof[ɨ]and[i],with the former occurring after hard (non-palatalized) consonants (e.g.жить'to live',шип'thorn, spine',цирк'circus', etc.) and[i]after soft (palatalized) consonants (e.g.щит'shield',чин'rank', etc.). The allophony of the stressed variant of the open/a/is largely the same, yet no scholar considers[ä]and[æ]to be separate phonemes(which they are in e.g.SlovakandAustralian English).

The six-vowel view, held by the Saint-Petersburg (Leningrad) phonology school, points to several phenomena to make its case:

• Native Russian speakers' ability to articulate[ɨ]in isolation: for example, in the names of the letters⟨и⟩and⟨ы⟩.
• Rare instances of word-initial[ɨ],including the minimal pairи́кать'to produce the soundи' andы́кать'to produce the sound ы',as well as borrowed names and toponyms, likeЫб,the name of a river and several villages in theKomi Republic.
• Morphological alternations between non-palatalized consonants without any following vowel or beforeыand palatalized consonants beforeи,likeгото́в('ready' adjective, masculine, short-form),гото́вый('ready' adjective, masculine), andгото́вить('to get ready; to prepare' verb, transitive), signifying thatиpalatalizes an inherently non-palatalunderlyingconsonant whileыdoes not.

The most popular view among linguists (and the one taken up in this article) is that of the Moscow school,though Russian pedagogy has typically taught that there are sixvowels(the termphonemeis not used).

Reconstructions ofProto-Slavicshow that*iand*y(which correspond to[i]and[ɨ]) were separate phonemes. On the other hand, after thefirst palatalization,Old East Slavic *iand *ycontrasted only after alveolars and labials: after palatals only *ioccurred, and after velars only *yoccurred. With the development of phonemic palatalized alveolars and labials, *iand *yno longer contrasted in any environment and were reinterpreted as allophones of each other, becoming a single phoneme /i/. Even so, this reinterpretation entailed no mergers and no change in the pronunciation. Subsequently, sometime between the twelfth and fourteenth centuries, the allophone of /i/ occurring after a velar consonant changed from [ɨ] to [i] with subsequent palatalization of the velar, turning old Russianхытрыи['xɨtrɨj]into modernхитрый['xʲitrɨj]and oldгыбкыи['gɨpkɨj]into modernгибкий['gʲipkʲij].

Allophony

A quick index of vowel pronunciation

Phoneme	Letter (typically)	Phonemic position	Stressed	Reduced
/i/	и	(Cʲ)i	[i]	[ɪ]
	ы,и	Ci	[ɨ]	[ɨ̞]
/e/	э,е†	(C)e(C)	[ɛ]
		(C)eCʲ	[e]
		Cʲe		[ɪ]
/a/	а	(C)a	[a]	[ʌ],[ə]
	я	Cʲa(C)		[ɪ],[ə]
		CʲaCʲ	[æ]	[ɪ]
/o/	о	(C)o	[o]	[ʌ],[ə]
	ё*	Cʲo	[ɵ]	[ɪ]
/u/	у	(C)u	[u]	[ʊ]
	ю	Cʲu(C)
		CʲuCʲ	[ʉ]
"C" represents a hard consonant only. "(C)" represents a hard consonant, a vowel, /j/, or an utterance boundary. * Reduced⟨ё⟩is written as⟨е⟩,except inloanwords. †⟨е⟩after a hard consonant is used mostly in loanwords (except if word-initial). ⟨э⟩is always (C)V.

Russian vowels are subject to considerableallophony,subject to both stress and the palatalization of neighboring consonants. In most unstressed positions, in fact, only three phonemes are distinguished after hard consonants, and only two after soft consonants. Unstressed/o/and/a/have merged to/a/(a phenomenon known as Russian:а́канье,romanized:ákan'je); unstressed/i/and/e/have merged to/i/(Russian:и́канье,romanized:íkan'je); and all four unstressed vowels have merged after soft consonants, except in the absolute final position in a word. None of these mergers are represented in writing.

Front vowels

When a preceding consonant ishard,/i/is retracted to[ɨ].Formant studies inPadgett (2001)demonstrate that[ɨ]is better characterized as slightlydiphthongizedfrom thevelarizationof the preceding consonant,implying that a phonological pattern of using velarization to enhance perceptual distinctiveness between hard and soft consonants is strongest before/i/.When unstressed,/i/becomesnear-close;that is,[ɨ̞]following a hard consonant and[ɪ]in most other environments.Between soft consonants, stressed/i/is raised,as inпить('to drink'). When precededandfollowed bycoronalordorsalconsonants,[ɨ]is fronted to[ɨ̟].After a cluster of a labial and/ɫ/,[ɨ]is retracted, as inплыть('to float'); it is also slightly diphthongized to[ɯ̟ɨ̟].

In native words,/e/only follows unpaired (i.e. theretroflexesand/ts/) and soft consonants. After soft consonants (but not before), it is a mid vowel[ɛ̝](hereafter represented without the diacritic, for simplicity), while a following soft consonant raises it to close-mid[e].Another allophone, an open-mid[ɛ],occurs word-initially and between hard consonants.Preceding hard consonants retract/e/to[ɛ̠]and[e̠]so thatжест('gesture') andцель('target') are pronouncedandrespectively.

In words borrowed from other languages,/e/often follows hard consonants; this foreign pronunciation usually persists in Russian for many years until the word is more fully adopted into Russian.For instance,шофёр(from Frenchchauffeur) was pronouncedin the early twentieth century,but is now pronounced.On the other hand, the pronunciations of words such asотель('hotel') retain the hard consonants despite a long presence in the language.

Back vowels

Between soft consonants,/a/becomes[æ],as inпять('five'). When not following a soft consonant,/a/is retracted to[ɑ̟]before /ɫ/ as inпалка('stick').

For most speakers,/o/is a mid vowel[o̞],but it can be a more open[ɔ]for some speakers.Following a soft consonant,/o/iscentralizedandraisedto[ɵ]as inтётя('aunt').

As with the other back vowels,/u/is centralized to[ʉ]between soft consonants, as inчуть('narrowly'). When unstressed,/u/becomes near-close; central[ʉ̞]between soft consonants, centralized back[ʊ]in other positions.

Unstressed vowels

Main article:Vowel reduction in Russian

Russianunstressed vowelshave lower intensity and lower energy. They are typically shorter than stressed vowels, and/aeoi/in most unstressed positions tend to undergomergersfor most dialects:

• /o/has merged with/a/:for instance,валы́'bulwarks' andволы́'oxen' are both pronounced/vaˈɫi/,phonetically.
• /e/has merged with/i/:for instance,лиса́(lisá) 'fox' andлеса́'forests' are both pronounced/lʲiˈsa/,phonetically.
• /a/and/o/have merged with/i/after soft consonants: for instance,ме́сяц(mésjats) 'month' is pronounced/ˈmʲesʲits/,phonetically.

The merger of unstressed/e/and/i/in particular is less universal in thepretonic(pre-accented) position than that of unstressed/o/and/a/.For example, speakers of some rural dialects as well as the "Old Petersburgian" pronunciation may have the latter but not the former merger, distinguishing betweenлиса́[lʲɪˈsa]andлеса́[lʲɘˈsa],but not betweenвалы́andволы́(both[vʌˈɫɨ]). The distinction in someloanwordsbetween unstressed/e/and/i/,or/o/and/a/is codified in some pronunciation dictionaries (Avanesov (1985:663),Zarva (1993:15)), for example,фо́рте[ˈfortɛ]andве́то[ˈvʲeto].

Unstressed vowels (except/o/) are preserved word-finally, for example in second-person plural orformalverb forms with the ending-те,such asде́лаете( "you do" )/ˈdʲeɫajitʲe/(phonetically[ˈdʲeɫə(j)ɪtʲe]). The same applies for vowels starting a word.

As a result, in most unstressed positions, only three vowel phonemes are distinguished after hard consonants (/u/,/a~o/,and/e~i/), and only two after soft consonants (/u/and/a~o~e~i/). For the most part,Russian orthography(as opposed to that of the closelyrelatedBelarusian) doesnotreflect vowel reduction. This can be seen in Russianне́бо(nébo) as opposed to Belarusianне́ба(néba) "sky", both of which can be phonemically analyzed as/ˈnʲeba/and morphophonemically as|ˈnʲebo|,as the nominative singular ending of neuter nouns is[o]when stressed: compare Russianсело́[sʲɪˈɫo],Belarusianсяло́[sʲaˈɫo]"village".

Vowel mergers

In terms of actual pronunciation, there are at least two different levels of vowel reduction: vowels are less reduced when a syllable immediately precedes the stressed one, and more reduced in other positions.This is particularly visible in the realization of unstressed/o/and/a/,where a less-reduced allophone[ʌ]appears alongside a more-reduced allophone[ə].

The pronunciation of unstressed/o~a/is as follows:

1. [ʌ](sometimes transcribed as[ɐ];the latter is phonetically correct for the standard Moscow pronunciation, whereas the former is phonetically correct for the standard Saint Petersburg pronunciation;this article uses only the symbol[ʌ]) appears in the following positions:
   • In the syllable immediately before the stress, when a hard consonant precedes:паро́м('ferry'),трава́('grass').
   • In absolute word-initial position.
   • Inhiatus,when the vowel occurs twice without a consonant between; this is written⟨aa⟩,⟨ao⟩,⟨oa⟩,or⟨oo⟩:сообража́ть('to use common sense, to reason').
2. [ə]appears elsewhere, when a hard consonant precedes:о́блако('cloud').
   • In absolute word-final position,[ʌ]may occur instead, especially at the end of asyntagma.
3. When a soft consonant or/j/precedes, both/o/and/a/merge with/i/and are pronounced as[ɪ].Example:язы́к'tongue';еда'food ~ meal ~ eating')./o/is written as⟨e⟩in these positions.
   • This merger also tends to occur after formerly soft consonants now pronounced hard (/ʐ/,/ʂ/,/ts/),where the pronunciation[ɨ̞]occurs; e.g.шевели́ть[ʂɨvʲɪˈlʲitʲ]'to stir ~ to move ~ to bulge'. This always occurs when the spelling uses the soft vowel variants, e.g.жена́('wife'), with underlying/o/(as evident inжёны[ˈʐonɨ]('wives'), where⟨ё⟩is stressed and written as such). However, it also occurs in a few word roots where the spelling writes a hard/a/.Examples:
     • жаль-'regret': e.g.жале́ть('to regret'), к сожале́нию('unfortunately').
     • ло́шадь'horse', e.g.лошаде́й,(pl. gen. and acc.).
     • -дцать-in numbers: e.g.двадцати́('twenty [gen., dat., prep.]'),тридцатью́('thirty [instr.]').
     • ржано́й('rye [adj. m. nom.]').
     • жасми́н('jasmine').
4. These processes occur even across word boundaries as inпод морем[pʌd‿ˈmorʲɪm]('under the sea').

The pronunciation of unstressed/e~i/is[ɪ]after soft consonants and/j/,and word-initially (эта́п('stage');икра́('roe');диви́ть[dʲɪˈvʲitʲ]('to surprise'), etc.), but[ɨ̞]after hard consonants (дыша́ть('to breathe')). When in a word-final position after/ʐ/,/ʂ/or/ts/it might have an even more open allophone[ɘ],as in полоте́нце('towel').

There are a number of exceptions to the above vowel-reduction rules:

• Vowels may not merge in foreign borrowings,particularly with unusual or recently borrowed words such asра́дио,'radio'. In such words, unstressed/a/may be pronounced as[ʌ],regardless of context; unstressed/e/does not merge with/i/in initial position or after vowels, so word pairs likeэмигра́нтandиммигра́нт,orэмити́роватьandимити́ровать,differ in pronunciation.
• Across certain word-final inflections, the reductions do not completely apply. For example, after soft or unpaired consonants, unstressed/a/,/e/and/i/of a final syllable may be distinguished from each other.For example,жи́тели('residents') contrasts with both(о) жи́теле('[about] a resident') andжи́теля('(of) a resident'). Also,хо́дит[ˈxodʲɪt]('he goes') andхо́дят[ˈxodʲət]('they go').
• If the vowel⟨o⟩belongs to the conjunctionsно('but') orто('then'), it is not reduced, even when unstressed.

Other changes

Unstressed/u/is generally pronounced as a lax (ornear-close)[ʊ],e.g.мужчи́на('man'). Between soft consonants, it becomes centralized to[ʉ̞],as inюти́ться('to huddle').

Note a spelling irregularity in/s/of the reflexive suffix-ся:with a preceding-т-in third-person present and a-ть-in infinitive, it is pronounced as[tsə],i.e. hard instead of with its soft counterpart, since[ts],normally spelled with⟨ц⟩,is traditionally always hard.In other forms both pronunciations[sə]and[sʲə](or[s]and[sʲ]after vowels, spelled-сь) alternate for a speaker with some usual form-dependent preferences: in the outdated dialects, reflexive imperative verbs (such asбо́йся,lit. "be afraid yourself" ) may be pronounced with[sə]instead of modern (and phonetically consistent)[sʲə].In adverbial participles ending on-я́сьor-а́сь(with a stressed suffix), books on Russian standard pronunciation prescribe[sʲ]as the only correct variant.

In weakly stressed positions, vowels may become voiceless between two voiceless consonants:вы́ставка('exhibition'),потому́ что('because'). This may also happen in cases where only the following consonant is voiceless:че́реп('skull').

Phonemic analysis

Because of mergers of different phonemes in unstressed position, the assignment of a particular phone to a phoneme requires phonological analysis. There have been different approaches to this problem:

• The Saint Petersburg phonology school assigns allophones to particular phonemes. For example, any[ʌ]is considered as a realization of/a/.
• The Moscow phonology school uses an analysis withmorphophonemes(морфоне́мы,singularморфоне́ма). It treats a given unstressed allophone as belonging to a particular morphophoneme depending on morphological alternations. For example,[ʌ]is analyzed as either|a|or|o|.To make a determination, one must seek out instances where an unstressed morpheme containing[ʌ]in one word is stressed in another word. Thus, because the wordвалы́[vʌˈɫɨ]('shafts') shows an alternation withвал[vaɫ]('shaft'), this instance of[ʌ]belongs to the morphophoneme|a|.Meanwhile,волы́[vʌˈɫɨ]('oxen') alternates withвол[voɫ]('ox'), showing that this instance of[ʌ]belongs to the morphophoneme|o|.If there are no alternations between stressed and unstressed syllables for a particular morpheme, then no assignment is made, and existence of anarchiphonemeis postulated. For example, the wordсоба́ка[sʌˈbakə]('dog') is analysed as|s(a/o)ˈbaka|,where|(a/o)|is an archiphoneme.
• Some linguistsprefer to avoid making the decision. Their terminology includes strong vowel phonemes (the five) for stressed vowels plus several weak phonemes for unstressed vowels: thus,[ɪ]represents the weak phoneme/ɪ/,which contrasts with other weak phonemes, but not with strong ones.

Diphthongs

Russian diphthongs all end in a non-syllabic[i̯],an allophone of/j/and the onlysemivowelin Russian. In all contexts other than after a vowel,/j/is considered an approximant consonant. Phonological descriptions of/j/may also classify it as a consonant even in the coda. In such descriptions, Russian has no diphthongs.

The first part of diphthongs is subject to the same allophony as their constituent vowels. Examples of words with diphthongs:яйцо́('egg'),ей('her' dat.),де́йственный('effective')./ij/,written⟨-ий⟩or⟨-ый⟩,is a common inflexional affix of adjectives, participles, and nouns, where it is often unstressed; at normal conversational speed, such unstressed endings may be monophthongized to[ɪ̟].When stressed, this affix is spelled⟨-ой⟩and pronounced/oj/.Unstressed⟨-ый⟩may be pronounced[əj](as if spelled⟨-ой⟩) in free variation with[ɨj].In adjectives ending in⟨-кий, -гий, -хий⟩,traditional Moscow norm prescribed the pronunciation[kəj,ɡəj,xəj](as if spelled⟨-кой, -гой, -хой⟩),but now those adjectives are usually pronounced according to the spelling, thus[kʲɪj,ɡʲɪj,xʲɪj].The same can be said about verbs ending in⟨-кивать, -гивать, -хивать⟩.

Consonants

⟨ʲ⟩ denotespalatalization,meaning the center of the tongue is raised during and after the articulation of the consonant. Phonemes that have at different times been disputed are enclosed in parentheses.

Consonant phonemes

		Labial		Dental, Alveolar		Post- alveolar	Palatal	Velar
		hard	soft	hard	soft	hard	soft	hard	soft
Nasal		m	mʲ	n	nʲ
Stop	voiceless	p	pʲ	t	tʲ			k	kʲ
	voiced	b	bʲ	d	dʲ			ɡ	ɡʲ
Affricate				t͡s	(t͡sʲ)		t͡ɕ
Fricative	voiceless	f	fʲ	s	sʲ	ʂ	ɕː	x	xʲ
	voiced	v	vʲ	z	zʲ	ʐ	(ʑː)	(ɣ)	(ɣʲ)
Approximant				ɫ	lʲ		j
Trill					rʲ	r

Notes

• Most consonant phonemes come in hard–soft pairs, except for always-hard/ts,ʂ,ʐ/and always-soft/tɕ,ɕː,j/and formerly or marginally/ʑː/.There is a marked tendency of Russian hard consonants to bevelarizedoruvularized,though this is a subject of some academic dispute.Velarization is clearest before the front vowels/e/and/i/,and withlabialandvelar consonantsas well as thelateral.As with palatalization, it results in vowel colouring and diphthongisation when stressed, in particular with/i~ɨ/,realized approximately as[ɯi̯]or[ɤ̯ɪ].Its function is to make the contrast between hard and soft consonants perceptually more salient, and the less salient the contrast is otherwise (such as labial consonants being universally the most resistant to palatalization), the higher the velarization degree.
  • /ʐ/and/ʂ/are always hard in native words (even if spelling contains a "softening" letter after them, as inжена,шёлк,жить,andмышь). A few loanwords are spelled with⟨жю⟩or⟨шю⟩;authoritative pronunciation dictionariesprescribe hard pronunciation for some of them (e.g.брошюра,парашют,амбушюр,шюцкор) but soft for other ones (e.g.пшют,фишю);жюриmay be pronounced either way.The letter combinations⟨жю⟩,⟨жя⟩,⟨жё⟩,⟨шю⟩,⟨шя⟩,and⟨шё⟩also occur in foreign proper names, mostly of French or Lithuanian origin. Notable examples includeГёльджюк(Gölcük),Жён Африк(Jeune Afrique),Жюль Верн(Jules Verne),Герхард Шюрер(Gerhard Schürer),Шяуляй(Šiauliai), andШяшувис(Šešuvis). The dictionary ofAgeenko & Zarva (1993)prescribes soft pronunciation in these names. However, since the cases of soft⟨ж⟩and⟨ш⟩are marginal and not universally pronounced as such,⟨ж⟩and⟨ш⟩are generally considered always-hard consonants, and the long phonemes/ʑː/and/ɕː/are not considered their soft counterparts, as they do not pattern in the same ways that other hard–soft pairs do.
  • /ts/is generally listed among the always-hard consonants; however, certain foreign proper names, including those of Ukrainian, Polish, Lithuanian, or German origin (e.g.Цюрупа,Пацюк,Цявловский,Цюрих), as well as loanwords (e.g.,хуацяо,from Chinese), contain a soft[tsʲ].The phonemicity of a soft/tsʲ/is supported by neologisms that come from native word-building processes (e.g.фрицёнок,шпицята).However, according toYanushevskaya & Bunčić (2015),/ts/really is always hard, and realizing it as palatalized[tsʲ]is considered "emphatically non-standard", and occurs only in some regional accents.
  • /tɕ/and/j/are always soft.
  • /ɕː/is also always soft.A formerly common pronunciation of/ɕ/+/tɕ/indicates the sound may be twounderlyingphonemes:/ʂ/and/tɕ/,thus/ɕː/can be considered as a marginal phoneme. In today's most widespread pronunciation,[ɕtɕ]appears (instead of[ɕː]) for orthographical-зч-/-сч-whereч-starts the root of a word, and -з/-с belongs to a preposition or a "clearly distinguishable" prefix (e.g.без часо́в,'without a clock';расчерти́ть,'to rule'); in all other cases/ɕː/is used (щётка,гру́зчик,перепи́счик[pʲɪrʲɪˈpʲiɕːɪk],сча́стье,мужчи́на,исщипа́ть[ɪɕːɪˈpatʲ],расщепи́ть[rəɕːɪˈpʲitʲ]etc.)
  • The marginally phonemicsound[ʑː]is largely obsolete except in the more conservative standard accent of Moscow, in which it only occurs in a handful of words. Insofar as this soft pronunciation is lost, the corresponding hard[ʐː]replaces it.This sound may derive from an underlying/zʐ/or/sʐ/:заезжа́ть[zə(ɪ̯)ɪˈʑːætʲ],modern.For most speakers, it can most commonly be formed by assimilative voicing of[ɕː](including across words):вещдо́к[vʲɪʑːˈdok].For more information, seealveolo-palatal consonantandretroflex consonant.
• /ʂ/and/ʐ/are somewhatconcaveapicalpostalveolar.They may be described as retroflex, e.g. byHamann (2004),but this is to indicate that they are not laminal nor palatalized; not to say that they aresubapical.They also tend to be at least slightly labialized, including when followed by unrounded vowels.
• Hard/t,d,n/are laminaldenti-alveolar[t̪,d̪,n̪];unlike in many other languages,/n/does not become velar[ŋ]before velar consonants.
• Hard/ɫ/has been variously described as pharyngealized apical alveolar[l̺ˤ]and velarized laminal denti-alveolar[l̪ˠ].
• Hard/r/is postalveolar, typically a trill[r̠].
• Soft/rʲ/is an apical dental trill[r̪ʲ],usually with only a single contact.
• Soft/tʲ,dʲ,nʲ/are laminal alveolar[t̻ʲ^sʲ,d̻ʲ^zʲ,n̻ʲ].In the case of the first two, the tongue is raised just enough to produce slight frication as indicated in the transcription.Modern Russian tends to affricatize these sounds to [tʲsʲ], [dʲzʲ] as in Belarusian.This phenomenon is called «tsekanye».
• Soft/lʲ/is either laminal alveolar[l̻ʲ]or laminal denti-alveolar[l̪ʲ].
• /ts,s,sʲ,z,zʲ/are dental[t̪s̪,s̪,s̪ʲ,z̪,z̪ʲ],i.e. dentalized laminal alveolar. They are pronounced with the blade of the tongue very close to the upper front teeth, with the tip of the tongue resting behind the lower front teeth.
• The voiced/v,vʲ/are often realized with weak friction[v̞,v̞ʲ]or even as approximants[ʋ,ʋʲ],particularly in spontaneous speech.
• A marginal phoneme/ɣ/occurs instead of/ɡ/in certain interjections:ага́,ого́,угу́,эге,о-го-го́,э-ге-ге,гоп.(Thus, there exists a minimal pair ofhomographs:ага́'aha!' vsага́'agha'). The same sound[ɣ]can be found inбухга́лтер(spelled⟨хг⟩,though inцейхга́уз,⟨хг⟩is[x]), optionally inга́битусand in a few other loanwords. Also optionally (and less frequently than a century ago)[ɣ]can be used instead of[ɡ]in certain religious words (a phenomenon influenced byChurch Slavonicpronunciation):Бо́га[ˈboɣə],Бо́гу[ˈboɣʊ]... (declension forms ofБог[ˈbox]'God'),Госпо́дь[ɣʌˈspotʲ]'Lord' (especially in the exclamationГо́споди![ˈɣospədʲɪ]'Oh Lord!'),благо́й[bɫʌˈɣɵj]'good'.
• Some linguists (like I. G. Dobrodomov and his school) postulate the existence of a phonemicglottal stop/ʔ/.This marginal phoneme can be found, for example, in the wordне́-а.Claimed minimal pairs for this phoneme includeсу́женный'narrowed' (a participle fromсу́зить'to narrow', with prefixс-and root-уз-,cf.у́зкий'narrow') vsсу́женый'betrothed' (originally a participle fromсуди́ть'to judge', now an adjective; the root isсуд'court') andс А́ней'with Ann' vsСа́ней'(by) Alex'.

There is some dispute over the phonemicity of soft velar consonants. Typically, the soft–hard distinction is allophonic for velar consonants: they become soft beforefront vowels,as inкоро́ткий('short'), unless there is a word boundary, in which case they are hard (e.g.к Ива́ну[k‿ɨˈvanʊ]'to Ivan').Hard variants occur everywhere else. Exceptions are represented mostly by:

• Loanwords:
  • Soft:гёзы,гюрза́,гяу́р,секью́рити,кекс,кяри́з,са́нкхья,хянга́;
  • Hard:кок-сагы́з,гэ́льский,акы́н,кэб(кеб),хэ́ппенинг.
• Proper nouns of foreign origin:
  • Soft:Алигье́ри,Гёте,Гю́нтер,Гянджа́,Джокьяка́рта,Кёнигсберг,Кюраса́о,Кя́хта,Хью́стон,Хёндэ,Хю́бнер,Пюхяя́рви;
  • Hard:Мангышла́к,Гэ́ри,Кызылку́м,Кэмп-Дэ́вид,Архы́з,Хуанхэ́.

The rare native examples are fairly new, as most of them were coined in the last century:

• Soft:forms of the verbткать'weave' (ткёшь,ткётetc., and derivatives likeсоткёшься);догёнок/догята,герцогёнок/герцогята;and adverbial participles of the typeберегя,стерегя,стригя,жгя,пекя,секя,ткя(it is disputed whether these are part of the standard language or just informal colloquialisms);
• Hard:the nameгэof letter⟨г⟩,acronyms and derived words (кагебешник,днепрогэсовский), a few interjections (гы, кыш, хэй), some onomatopoeic words (гыгыкать), and colloquial forms of certain patronyms:Олегыч,Маркыч,Аристархыч(where-ычis a contraction of standard language's patronymical suffix -ович rather than a continuation of ancient-ич).

In the mid-twentieth century, a small number of reductionist approaches made bystructuralistsput forth that palatalized consonants occur as the result of phonological processes involving/j/(or palatalization as a phoneme in itself), so that there were no underlying palatalized consonants.Despite such proposals, linguists have long agreed that the underlying structure of Russian is closer to that of its acoustic properties, namely that soft consonants are separate phonemes in their own right.

Voicing

Consonants and their voiced/voiceless equivalents

Voiced	Voiceless
Б/b/	П/p/
В/v/	Ф/f/
Г/g/	К/k/
Д/d/	Т/t/
Ж/ʐ/	Ш/ʂ/
З/z/	С/s/
Л/l/	–
М/m/	–
Н/n/	–
Р/r/	–
–	Х/x/
–	Ц/ts/
–	Ч/tɕ/
–	Щ/ɕː/
Й/j/	–

Final devoicing

Voiced consonants (/b/,/bʲ/,/d/,/dʲ//ɡ/,/v/,/vʲ/,/z/,/zʲ/,/ʐ/,and/ʑː/) aredevoiced word-finallyunless the next word begins with a voiced obstruent.In other words, their voiceless equivalent will be used (see table on the right).

Examples:

• рассказ(story, tale) sounds like расскас[rɐˈskas]
• нож(knife) sounds like нош[noʂ]
• Иванов(Ivanov) sounds like Иваноф[ɪvɐˈnof];and so on.

Гalso represents voiceless[x]word-finally in some words, such asбог[ˈbox]('god'). This is related to the use of the marginal (or dialectal) phoneme/ɣ/in some religious words(see Consonants).

Voicing elsewhere

Basically, when a voiced consonant comes before a voiceless one, its sound will shift to its voiceless equivalent (see table).

• Example:Ложка(spoon) sounds like Лошка[ˈɫoʂkə].

That happens because ж is a voiced consonant, and it comes before the voiceless к.

The same logic applies when a voiceless consonant comes before a voiced one (except в). In this case, the sound of the former will change to its voiced equivalent.

• Example:сделать(to do) sounds likeзделать [ˈzʲdʲeɫətʲ].

Russian features general regressive assimilation of voicing and palatalization.In longer clusters, this means that multiple consonants may be soft despite their underlyingly (and orthographically) being hard.The process of voicing assimilation applies across word-boundaries when there is no pause between words. Within a morpheme, voicing is not distinctive before obstruents (except for/v/,and/vʲ/when followed by a vowel or sonorant). The voicing or devoicing is determined by that of the final obstruent in the sequence:просьба('request'),водка('vodka'). In foreign borrowings, this isn't always the case for/f(ʲ)/,as inАдольф Гитлер('Adolf Hitler') andграф болеет('the count is ill')./v/and/vʲ/are unusual in that they seem transparent to voicing assimilation; in the syllable onset, both voiced and voiceless consonants may appear before/v(ʲ)/:

• тварь) ('the creature')
• два('two')
• световой('of light')
• звезда('star')

When/v(ʲ)/precedes and follows obstruents, the voicing of the cluster is governed by that of the final segment (per the rule above) so that voiceless obstruents that precede/v(ʲ)/are voiced if/v(ʲ)/is followed by a voiced obstruent (e.g.к вдове[ɡvdʌˈvʲe]'to the widow') while a voiceless obstruent will devoice all segments (e.g.без впуска[bʲɪsˈfpuskə]'without an admission').

/tɕ/,/ts/,and/x/have voiced allophones ([dʑ],[dz]and[ɣ]) before voiced obstruents,as inдочь бы('a daughter would'),плацдарм('bridge-head') andгорох готов[ɡɐˈroɣɡɐˈtof]('peas are ready').

Other than/mʲ/and/nʲ/,nasals and liquids devoice between voiceless consonants or a voiceless consonant and a pause:контрфорс) ('buttress').

Palatalization

Before/j/,paired consonants (that is, those that come in a hard-soft pair) are normally soft as inпью('I drink') andбью('I hit'). However, the last consonant of prefixes and parts of compound words generally remains hard in the standard language:отъезд('departure'),Минюст('Min[istry of] Just[ice]'); when the prefix ends in/s/or/z/there may be an optional softening:съездить('to travel').

Paired consonants preceding/e/are also soft; although there are exceptions from loanwords, alternations across morpheme boundaries are the norm.The following examplesshow some of the morphological alternations between a hard consonant and its soft counterpart:

Hard			Soft
Russian	IPA/Audio	Translation	Russian	IPA/Audio	Translation
дом		'house' (nom)	до́ме		'house' (prep)
крова́вый		'bloody'	крова́веть		'to become bloody'
отве́т		'answer'	отве́тить		'to answer'
(я) несу́		'I carry'	(он, она, оно) несёт		'carries'
жена́		'wife'	же́нин		'wife's'
коро́ва		'cow'	коро́вий		'bovine'
прямо́й		'straight'	прямизна́		'straightness'
вор		'thief'	вори́шка		'little thief (diminutive)'
написа́л		'he wrote'	написа́ли		'they wrote'
горбу́н		'hunchback'	горбу́нья		'female hunchback'
высо́к		'high'	высь		'height'

Velar consonants are soft when preceding/i/,and never occur before[ɨ]within a word.

Before hard dental consonants and/r/,labial and dental consonants are hard:орла́('eagle'gen.sg), cf.орёл[ʌˈrʲoɫ]('eagle' nom. sg).

Assimilative palatalization

Paired consonants preceding another consonant often inherit softness from it. This phenomenon in literary language has complicated and evolving rules with many exceptions, depending on what these consonants are, in what morphemic position they meet and to what style of speech the word belongs. In old Moscow pronunciation, softening was more widespread and regular; nowadays some cases that were once normative have become low colloquial or archaic. In fact, consonants can be softened to differing extents, become semi-hard or semi-soft.

The more similar the consonants are, the more they tend to soften each other. Also, some consonants tend to be softened less, such as labials and/r/.

Softening is stronger inside the word root and between root and suffix; it is weaker between prefix and root and weak or absent between a preposition and the word following.

• Before soft dental consonants,/lʲ/and often soft labial consonants, dental consonants (other than/ts/) are soft.
• /x/is assimilated to the palatalization of the following velar consonant:лёгких) ('lungs' gen. pl.).
• Palatalization assimilation of labial consonants before labial consonants is in free variation with nonassimilation, such thatбомбить('to bomb') is either[bʌmˈbʲitʲ]or[bʌmʲˈbʲitʲ]depending on the individual speaker.
• When hard/n/precedes its soft equivalent, it is also soft and likely to form a single long sound (seegemination). This is slightly less common across affix boundaries.

In addition to this, dental fricatives conform to the place of articulation (not just the palatalization) of following postalveolars:с частью) ('with a part'). In careful speech, this does not occur across word boundaries.

Russian has the rare feature of nasals not typically being assimilated in place of articulation. Both/n/and/nʲ/appear before retroflex consonants:деньжонки) ('money' (scornful)) andханжой) ('sanctimonious one' instr.). In the same context, other coronal consonants are always hard.

Assimilative palatalization may sometimes also occur across word boundaries as inдругих гимназий[drʊˈɡʲiɣʲɡʲɪmˈnazʲɪj],but such pronunciation is uncommon and characteristic of uncareful speech (except in preposition+main word combinations).

Consonant clusters

As a Slavic language, Russian has fewer phonotactic restrictions on consonants than many other languages,allowing forclustersthat would be difficult for English speakers; this is especially so at the beginning of a syllable, where Russian speakers make no sonority distinctions between fricatives and stops.These reduced restrictions begin at themorphologicallevel; outside of two morphemes that contain clusters of four consonants: встрет-/встреч- 'meet' ([ˈfstrʲetʲ/ˈfstrʲetɕ]), and чёрств-/черств- 'stale' ([ˈtɕɵrstv]), native Russian morphemes have a maximum consonant cluster size of three:

3-Segment clusters

	Russian	IPA/Audio	Translation
CCL	скрыва́ть		'to hide'
CCN	мгнове́ние		'(an) instant'
CCC*	ствол		'tree trunk'
LCL	верблю́д		'camel'
LCC	то́лстый		'thick'

For speakers who pronounce[ɕtɕ]instead of[ɕː],words likeобщий('common') also constitute clusters of this type.

2-Segment clusters

	Russian	IPA/Audio	Translation
CC	кость		'bone'
LC	смерть		'death'
CL	слепо́й		'blind'
LL	го́рло		'throat'
CJ	статья́		'article'
LJ	рья́ный		'zealous'

If/j/is considered a consonant in the coda position, then words likeайва́('quince') contain semivowel+consonant clusters.

Affixation also creates consonant clusters. Someprefixes,the best known being вз-/вс- ([vz-]/[fs-]), produce long word-initial clusters when they attach to a morpheme beginning with consonant(s) (e.g. |fs|+ |pɨʂkə| →вспы́шка[ˈfspɨʂkə]'flash'). However, the four-consonant limitation persists in the syllable onset.

Clusters of three or more consonants are frequently simplified, usually throughsyncopeof one of them,especially in casual pronunciation.

All word-initial four-consonant clusters begin with[vz]or[fs],followed by a stop (or, in the case of[x],a fricative), and a liquid:

4-Segment clusters

Russian	IPA/Audio	Translation
(ему)взбрело(в голову)	[vzbrʲɪˈɫo]	'(he) took it (into his head)'
взгляд		'gaze'
взгромоздиться		'to perch'
вздрогнуть		'to flinch'
всклокоченный		'disheveled'
вскрыть		'to unseal'
всплеск		'splash'
вспрыгнуть		'to jump up'
встлеть	[ˈfstlʲetʲ]	'to begin to smolder'
встречать		'to meet'
всхлип	[ˈfsxlʲip]	'whimper'
всхрапывать		'to snort'

Becauseprepositionsin Russian act likeclitics,the syntactic phrase composed of a preposition (most notably, the three that consist of just a single consonant:к,с,andв) and a following word constitutes aphonological wordthat acts like a single grammatical word.This can create a 4-consonant onset cluster not starting in[vz]or[fs];for example, the phraseв мгнове́ние('in an instant') is pronounced [vmɡnɐˈvʲenʲɪje].

In the syllable coda, suffixes that contain no vowels may increase the final consonant cluster of a syllable (e.g.Ноя́брьск'city ofNoyabrsk' |noˈjabrʲ|+ |sk| →[nʌˈjabrʲsk]), theoretically up to seven consonants: *мо́нстрств[ˈmonstrstf]('of monsterships').There is usually an audible release of plosives between these consecutive consonants at word boundaries, the major exception being clusters ofhomorganic consonants.

Consonant cluster simplification in Russian includes degemination, syncope, dissimilation, and weak vowel insertion. For example,/sɕː/is pronounced[ɕː],as inрасще́лина('cleft'). There are also a few isolated patterns of apparent cluster reduction (as evidenced by the mismatch between pronunciation and orthography) arguably the result of historical simplifications.For example,dentalstopsare dropped between a dental continuant and a dental nasal or lateral:ле́стный[ˈlʲesnɨj]'flattering' (fromле́сть[ˈlʲesʲtʲ]'flattery').Other examples include:

/vstv/>[stv]	чу́вство	'feeling'	(not[ˈtɕufstvə])
/ɫnts/>[nts]	со́лнце	'sun'	(not[ˈsoɫntsɘ])
/rdts/>[rts]	се́рдце	'heart'	(not[ˈsʲerttsɘ])
/rdtɕ/>[rtɕ]	сердчи́шко	'heart' (diminutive)	[sʲɪrˈtɕiʂkə](not[sʲɪrttɕiʂkə])
/ndsk/>[nsk]	шотла́ндский	'Scottish'	(not[ʂʌtˈɫantskʲɪj])
/stsk/>[sk]	маркси́стский	'Marxist' (adj.)	[mʌrkˈsʲiskʲɪj](not[mʌrkˈsʲistskʲɪj])

Compare:со́лнечный[ˈsoɫnʲɪt͡ɕnɨj]'solar, sunny',серде́чный[sʲɪrˈdʲet͡ɕnɨj]'heart (adj.), cordial',Шотла́ндия[ʂɐtˈɫanʲdʲɪjə]'Scotland',маркси́ст[mʌrkˈsʲist]'Marxist' (person).

The simplifications of consonant clusters are done selectively; bookish-style words and proper nouns are typically pronounced with all consonants even if they fit the pattern. For example, the wordголла́ндкаis pronounced in a simplified manner[ɡʌˈɫankə]for the meaning of 'Dutch oven' (a popular type of oven in Russia) and in a full form[ɡʌˈɫantkə]for 'Dutch woman' (a more exotic meaning). The orthographic combination⟨вств⟩is pronounced[stv]in the wordsздра́вствуй(те)[ˈzdrastvʊj(tʲe)] 'hello',чу́вство[ˈt͡ɕustvə] 'feeling' (does not have related words with pronounced⟨в⟩in the modern language, so the first⟨в⟩in the spelling exists only for historical reasons),безмо́лвствовать[bʲɪzˈmoɫstvəvətʲ] 'to be silent', and related words, otherwise pronounced[fstv]:баловство́[bəɫɐfstˈvo] 'naughtiness'.

In certain cases, this syncope produceshomophones,e.g.ко́стный('bony') andко́сный('rigid'), both are pronounced.

Another method of dealing with consonant clusters isinserting an epenthetic vowel(both in spelling and in pronunciation),⟨о⟩after most prepositions and prefixes that normally end in a hard consonant. This includes both historically motivated usage (from historical extra-short vowel⟨ъ⟩) and cases of its modern extrapolations. There are no strict limits when the epenthetic⟨о⟩is obligatory, optional, or prohibited. One of the most typical cases of the epenthetic⟨о⟩is between a morpheme-final hard consonant and a cluster starting with the same or similar consonant. E.g.со среды́'from Wednesday' |s|+|srʲɪˈdɨ| →[səsrʲɪˈdɨ],not *с среды;ототру́'I'll scrub' |ot|+|tru| →[ʌtʌˈtru],not *оттру. Theinterfix⟨о⟩(spelled⟨е⟩after soft consonants) is also used in compound words:пищево́д'oesophagus' (lit. food path) |пища|+|вод| →[pʲɪɕːɪˈvot].

Stress

Stress in Russian isphonemicand therefore unpredictable. It may fall on any syllable, and can vary drastically in similar or related words. For example, in the following table, in the numbers 50 and 60, the stress moves to the last syllable, despite having a structure similar to, say, 70 and 80:

Word	No.
де́сять	10
два́дцать	20
три́дцать	30
со́рок	40
пятьдеся́т	50
шестьдеся́т	60
се́мьдесят	70
во́семьдесят	80
девяно́сто	90

Words can also contrast based just on stress (e.g.му́ка[ˈmukə]'ordeal, pain, anguish' vs.мука́[mʊˈka]'flour, meal, farina'). Stress shifts can even occur within an inflexional paradigm:до́ма[ˈdomə]('house' gen. sg., or 'at home') vsдома́[dʌˈma]('houses'). The place of the stress in a word is determined by the interplay between the morphemes it contains, as morphemes may be obligatorily stressed, obligatorily unstressed, or variably stressed.

Generally, only one syllable in a word is stressed; this rule, however, does not extend to most compound words, such asморо́зоусто́йчивый[mʌˌrozəʊˈstojtɕɪvɨj]('frost-resistant'), which have multiple stresses, with the last of them being primary.

Phonologically, stressed syllables are mostly realised not only by the lack of aforementioned vowel reduction, but also by a somewhat longer duration than unstressed syllables. More intense pronunciation is also a relevant cue, although this quality may merge withprosodicalintensity.Pitch accenthas only a minimal role in indicating stress, mostly due to its prosodical importance, which may prove a difficulty for Russians identifying stressed syllables in more pitched languages.

A stress defines a phonological concept ofphonetic word— a sequence of morphemes clustered around onenuclear stress.A phonetic word may contain multiplelexical items.

Supplementary notes

There are numerous ways in which Russian spelling does not match pronunciation. The historical transformation of/ɡ/into/v/ingenitivecase endings and the word for 'him' is not reflected in the modernRussian orthography:the pronounего[jɪˈvo]'his/him', and the adjectival declension suffixes -ого and -его. Orthographic г represents/x/in a handful of word roots: легк-/лёгк-/легч- 'easy' and мягк-/мягч- 'soft'. There are a handful of words in which consonants which have long since ceased to be pronounced even in careful pronunciation are still spelled, e.g., the 'l' inсолнце[ˈsontsɨ]('sun').

Between any vowel and/i/(excluding instances across affix boundaries but including unstressed vowels that have merged with/i/),/j/may be dropped:аист[ˈa.ɪst]('stork') andделает[ˈdʲeɫəɪt]('does').(Halle (1959)citesзаезжатьand other instances of intervening prefix and preposition boundaries as exceptions to this tendency.)

/i/velarizeshard consonants:ты('you' sing.)./o/and/u/velarize andlabializehard consonants and labialize soft consonants:бок('side'),нёс('(he) carried')./o/is a diphthong[ʊ̯o]or even a triphthong[ʊ̯ɔʌ̯],with a closer lip rounding at the beginning of the vowel that gets progressively weaker, particularly when occurring word-initially or word-finally under stress.

A weak palatal offglide may occur between certain soft consonants and back vowels (e.g.ляжка'thigh'[ˈlʲi̯aʂkə]).

See also

• Help:IPA/Russian
• Russian alphabet
• Russian orthography
  • Reforms of Russian orthography
• History of the Russian language
• List of Russian language topics
• Index of phonetics articles

Bibliography

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• Avanesov, R.I. (1975) [1956],Фонетика современного русского литературного языка[Phonetics of modern standard Russian] (in Russian), Lepizig: Zentralantiquariat der DDR
• Avanesov, R.I. (1985), "Сведения о произношении и ударении [Information on pronunciation and stress].", in Borunova, C.N.; Vorontsova, V.L.; Yes'kova, N.A. (eds.),Орфоэпический словарь русского языка. Произношение. Ударение. Грамматические формы[Orthoepical dictionary of the Russian language. Pronunciation. Stress. Grammatical forms] (in Russian) (2nd ed.), pp. 659–684
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• Bidwell, Charles (1962), "An Alternate Phonemic Analysis of Russian",The Slavic and East European Journal,6(2), American Association of Teachers of Slavic and East European Languages: 125–129,doi:10.2307/3086096,JSTOR3086096
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Further reading

• Hamilton, William S. (1980),Introduction to Russian Phonology and Word Structure,Slavica Publishers
• Gasanov, A.A.; Babayev, I.A. (2010),Курс лекций по фонетике современного русского языка[Lectures on modern Russian phonetics](PDF),archived fromthe original(PDF)on 2011-11-11
• Hamann, Silke (2002),"Postalveolar Fricatives in Slavic Languages as Retroflexes"(PDF),in Baauw, S.; Huiskes, M.; Schoorlemmer, M. (eds.),OTS Yearbook 2002,Utrecht: Utrecht Institute of Linguistics, pp. 105–127,retrieved2008-02-07
• Press, Ian (1986),Aspects of the phonology of the Slavonic languages: the vowel y and the Consonantal Correlation of Palatalization,Rodopi,ISBN90-6203-848-4
• Shcherba, Lev Vladimirovich(1912),Russkie glasnye v kachestvennom i kolichestvennom otnoshennii,St. Petersburg: Tipografiia IU.
• Sussex, Roland (1992), "Russian", in Bright, W. (ed.),International Encyclopedia of Linguistics(1st ed.), New York: Oxford University Press