The Azerbaijani language, also known as Azeri, is a Turkic language primarily spoken in Azerbaijan and parts of Iran. It has a history shaped by centuries of geopolitical shifts, including territorial conflicts with Armenia and influences from neighboring cultures. Azerbaijani is written in the Latin script in Azerbaijan and in the Arabic script in Iran, reflecting the country’s regional diversity. Understanding Azerbaijani speech and language development is essential for Speech-Language Pathologists working with children and families who speak this language, as cultural and linguistic context can influence communication styles, vocabulary, and language acquisition patterns.

There are an estimated 400,000 Azerbaijani speakers in the United States, and millions more in places like Azerbaijan, Iran, and across parts of Europe. Migration due to political unrest and economic opportunity has led to widespread Azerbaijani-speaking communities. Azerbaijani culture is deeply rooted in traditions such as literature, poetry, music, and the celebration of Nowruz (the Persian New Year), which is shared with other ethnic groups in the region. It is important to note that Azerbaijani has multiple dialects (North Azerbaijani, South Azerbaijani, and Iranian Azerbaijani).

Speech-language pathologists supporting Azerbaijani-speaking children should be aware of the differences between Azerbaijani and English. Read this article to learn more.

Azerbaijani Speech and Language Development map

Interesting Facts About Azerbaijani Speech and Language Development

  • Depending on the context, verbs may be used in as many as five grammatical voices.
  • Like many Turkic languages, Azerbaijani uses vowel harmony, meaning vowels within a word typically match in frontness or rounding.
  • Azerbaijan has a long tradition of poetry, storytelling, and song. Classical poets like Nizami Ganjavi and Khatai (Shah Ismail I) are still celebrated today.
  • Due to bilingualism or multilingualism, some Azerbaijani speakers code-switch between Azerbaijani, English, Russian, or Persian in everyday conversation.

Azerbaijani Speech and Language Development

Azerbaijani Consonants in Comparison to English

Azerbaijani Consonants Not Shared with English/c/ (voiceless palatal stop), /ɟ/ (voiced palatal stop), /x/ (voiceless velar fricative), /ɣ/ (voiced velar fricative), /ç/ (voiceless palatal fricative), /ɾ/ (tap)
Consonants Shared With English/p/, /b/, /t/, /d/, /k/, /g/, /f/, /v/, /s/, /z/, /ʃ/, /ʒ/, /h/, /m/, /n/, /ŋ/, /j/, /l/, /tʃ/, /dʒ/
English Consonants Not Shared with Azerbaijani/ð/, /θ/, /ɹ/, /w/

Azerbaijani Vowels in Comparison to English

Azerbaijani Vowels Not Shared with English/y/ (front rounded), /ø/ (mid front rounded), /ɯ/ (close back unrounded), /ɨ/ (close central unrounded), /æ/ (near-open front unrounded)
Vowels Shared With English/a/, /e/, /i/, /o/, /u/
English Vowels Not Shared with Azerbaijani/ɚ/, /ɔ/, /ʌ/, /ʊ/, /ɛ/, /I/, /æ/, /ə/ (*English /æ/ and /ə/ have different qualities than Azerbaijani’s)

Notes on Azerbaijani Phonology

  • Consonants: Azerbaijani includes palatal stops (/c/, /ɟ/), velar fricatives (/x/, /ɣ/), and a tap /ɾ/, none of which occur in English. It shares many stops, fricatives (/ʃ/, /ʒ/), nasals, affricates (/tʃ/, /dʒ/), and approximants.
  • Vowels: Azerbaijani’s nine-vowel system includes several rounded vowels (/y/, /ø/) and non-English central/back vowels (/ɯ/, /ɨ/), plus /æ/. English shares the five cardinal vowels but has a richer tense–lax contrast and r-colored vowels not found in Azerbaijani.

The Use of Phonotactic Constraints in Azerbaijani Speakers

Azerbaijani follows a structured phonotactic system based on Turkic syllable templates and vowel harmony. Native speakers often apply these patterns when speaking English, which can result in predictable pronunciation differences.

Key Phonotactic Constraints in Azerbaijani:

  • Syllable Structure: (C)V(C)(C)
    Native words typically follow a template with up to two consonants in the coda, but no complex initial clusters in native vocabulary (amedialiterasi.com).
  • No Native Initial Consonant Clusters
    Complex onsets (like pr-, st-) appear only in loanwords. Even then, speakers often break them with vowel insertion (“sport” → /səport/) (researchgate.net, en.wikipedia.org).
  • Final Consonant Clusters:
    Restricted to specific consonant sequences in codas, often featuring sonorants such as /r, l, n/. Found mainly in (C)VCC syllables (amedialiterasi.com).
  • Vowel Harmony:
    Both front/back and rounded/unrounded harmonies strictly govern suffix and vowel sequences. Mixing vowel groups is disallowed (en.wikipedia.org).
  • Metathesis of Consonants:
    Speakers often swap adjacent consonants to follow sonority pathways (e.g., torpaq from topraq) (en.wikipedia.org).

Implications for Teachers and Speech Language Pathologists

  • Onset clusters in English are often broken or simplified — “street” → /sə.trit/.
  • Loanword adaptation may preserve final clusters (“plant” → /plant/), but rural/casual speech may insert epenthetic vowels (/plan.tə/).
  • Vowel harmony doesn’t exist in English, so mixed vowels may sound unnatural to native Azerbaijani ears.
  • Metathesis may result in consonant reordering in English words that conflict with native patterns.

Azerbaijani Speech Developmental Norms

Age of AcquisitionSounds / Phonological Features
3–4 years (by ~4;11)Most children in one study showed mastery (>90% PCC) of nearly all consonants, except for [d], [d͡z], [t͡s], [ʒ], [v], [ɟ], which continued to emerge toward age 5; correct production of nasals was strongest and trills weakest (pubmed.ncbi.nlm.nih.gov).
4–6 years (by ~6;0)Phonological test development data on children aged 48–72 months indicate reliable, age-sensitive performance—sound production in structured tasks increases with age, reflecting stabilization of consonant and vowel use .

Language Specific Differences Between English and Azerbaijani

Azerbaijani and English differ in several key structural features. Azerbaijani follows SOV (Subject–Object–Verb) word order and allows flexible sentence structure thanks to its case system, while English relies on rigid SVO order. Azerbaijani lacks definite and indefinite articles, uses plural and case suffixes, and has no grammatical gender, with pronouns serving for “he/she/it”. Verbs are richly inflected in Azerbaijani—marking person, number, tense, aspect, mood, and evidentiality—unlike English’s use of auxiliary verbs and simplified tense forms. These fundamental differences impact how bilingual children transfer language structure in English production.

Language FeaturesAzerbaijaniEnglish
Sentence Word OrderSOV; flexible for emphasis due to case markingSVO
Adjectives/Noun ModifiersModifiers precede noun and agree in number only (böyük kitab)Adjectives precede nouns
PossessivesPossession shown via genitive case + possessive suffix (Kitabım my book)Possessor + ’s
Possessive PronounsPersonal possessive suffixes on noun stem (kitabım, kitabın, kitabı)my, your, his, hers, etc.
Verb inflectionRich agglutinative morphology marks person, number, tense, mood, aspect (oxuyuram, oxudum)Verbs change for tense
PronounsCan be dropped; no gender distinction in third-person (o = he/she/it)Independent pronouns required
Pronoun GenderNo gender distinctions (o for all third persons)he, she, it
Subjects of SentencesOften omitted due to verb inflectionNormally expressed
Regular Past TensePast indicated by verb suffix (-dı, -di)verb + -ed
Irregular Past TenseNo irregular past; regular suffixing onlyirregular forms (went, saw)
NegativesVerb-negative suffix or particle (oxumadım, deyil)Uses “not” or auxiliary verbs
Double NegativesGenerally ungrammaticalPresent in dialects
Question formationQuestion words at end; no auxiliary inversion (Oxuyursan mı?)Auxiliary inversion required
Definite ArticlesNone“the”
Indefinite ArticlesNone (bir + noun for “a/an”)“a,” “an”
PrepositionsPostpositions + cases (e.g., kitabda, kitabla)in, on, at
Present Progressive Verb FormSuffix + personal endings (oxuyuram)verb + -ing
Modal VerbsExpressed via suffixes or context (no direct equivalents)can, will, must
Copula/”To Be” VerbsSuffixes only; no standalone copula (-dır, -dırlar)is, are, am
Auxiliary VerbsNo do/have auxiliaries; only aspectual or evidential markersdo, have, be
Passive VoiceFormed via special verbal suffix -il or reflexive constructions“be” + past participle
Direct Object PronounsOn verb via accusative suffix (oxudum “I read it”)me, him, her
ConjunctionsCoordinating/subordinating (, amma, və ya)and, but, or
PluralsSuffix -lar/-lər with vowel harmonynoun + -s

Additional Uralic and Turkic Languages

This is just one of several Uralic and Turkic languages featured in our World Language Library. Click below to explore languages with unique phonological and grammatical structures from Central and Northern Eurasia.

FinnishHungarianAzerbaijani
UzbekTurkish

Sources:

Azerbaijan: The seven dishes that define a nation. National Geographic. (2022, June 8).   

Azerbaijani. Center for Languages of the Central Asian Region. (n.d.).

Azerbaijani (Azeri). Azerbaijani (Azeri) | Silk Roads Programme. (n.d.).  

Azerbaijani for beginners – lesson 2. Azerbaijani for beginners – Lesson 2 |. (2011b, September 23).   

Azerbaijani language – structure, writing & alphabet – mustgo. MustGo.com.  (n.d.).  

“Azerbaijani language.” Wikipedia, Wikimedia Foundation, accessed June 2025, https://en.wikipedia.org/wiki/Azerbaijani_language.

Jalilbayli, O. B. (2015). Category of tenses of verbs in the Azerbaijanian and Japanese languages. International Journal of English Linguistics, 5(5).

Khoshhal, Zeynab, et al. “The Design and Validation of an Azeri Phonological Test for Children Aged 4–6 Years.” Iranian Rehabilitation Journal, vol. 19, no. 4, Dec. 2021, pp. 379–386.

Mokari, P. G., & Werner, S. (2017). Azerbaijani. International Phonetic Association. Journal of the International Phonetic Association, 47(2), 207-212.   

MustGo. “Azerbaijani Language – Structure, Writing & Alphabet.” MustGo.com, accessed June 2025.

Nojavan-Pirehyousefan, H., Zarifian, T., Ahmadi, A., & Pascoe, M. (2022). Speech sound  acquisition in Azeri Turkish-speaking children in Iran. Journal of Communication  Disorders, 99, 106244.

Present continuous tense in Azerbaijani grammar. Talkpal. (n.d.-c).  

Phoible 2.0. (n.d.-a).   

“Phonological Adaptation of Loanwords in Azerbaijani Turkish Language.” Journal of Western Iranian Languages and Dialect, Feb. 2024. (researchgate.net)

Razavian, H. & Ghalkhani, O. “Final Consonant Clusters in Azeri Turkish.” Humanities & Language: International Journal of Linguistics, vol. 1, no. 3, 2024, pp. 119–31. (en.wikipedia.org, en.wikipedia.org, amedialiterasi.com)

“Vowel harmony.” Wikipedia, Wikimedia Foundation, accessed June 2025. (en.wikipedia.org)

Wikimedia Foundation. (2024, April 27). Azerbaijani language. Wikipedia.

Contributors:

A special thanks to Dulce Holtzclaw with Our Lady of the Lake University for data compilation and research that went into this article!

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