Vowel harmony in basic suffixes

Level 1

Vowel harmony (sait ahəngi) is the 'musical' rule of Azerbaijani. It dictates that the vowels in a suffix must match the front or back quality of the very last vowel in the word stem.

How It Works

Vowel harmony is the backbone of Azerbaijani phonology. It makes the language sound melodic and easier to pronounce by keeping the tongue in a consistent position.

1. The Two Vowel Groups:

  • Back Vowels (Qalın): a, ı, o, u (pronounced in the back of the mouth).
  • Front Vowels (İncə): e, ə, i, ö, ü (pronounced in the front of the mouth).

2. Two-fold Suffixes (2-li):
These suffixes have two versions: one with -a (for back vowels) and one with -ə (for front vowels). A common example is the plural suffix -lar/-lər.
• Kitab (last vowel 'a' is back) → kitablar
• Ev (last vowel 'e' is front) → evlər

3. Four-fold Suffixes (4-lü):
These are more specific and match both the front/back quality and the rounding of the lips. They use ı, i, u, or ü. An example is the question marker -mı/-mi/-mu/-mü.
• Qapı (ı) → qapımı?
• Dost (o/u) → dostmu?
• Dəniz (i) → dənizmi?
• Gül (ü) → gülmü?

4. Exceptions and Invariant Suffixes:
While most suffixes follow harmony, the word stems themselves might not, especially loanwords (e.g., təyyarə). In these cases, the suffix always follows the very last vowel of the word. Additionally, a small group of suffixes (like -gil, -ki, or -dar) are invariant, meaning they never change their form regardless of the vowels in the word.

Examples (4)

  1. Kitablar masadadır.

    The books are on the table.

    Word by Word: Book-s table-on-is.

    'Kitab' ends in a back vowel (a), so it takes the back-vowel plural '-lar' and locative '-da'.

  2. Məktəblər uzaqdadır.

    The schools are far away.

    Word by Word: School-s far-at-is.

    'Məktəb' ends in a front vowel (ə), so it takes the front-vowel plural '-lər'.

  3. Bu sənin dostundurmu?

    Is this your friend?

    Word by Word: This your friend-your-is-question?

    'Dost' has a rounded back vowel (o), so the suffixes '-un' and '-mu' follow the four-fold harmony rule.

  4. Pəncərəni açdınmı?

    Did you open the window?

    Word by Word: Window-acc open-past-you-question?

    'Pəncərə' ends in 'ə' (front), so the accusative suffix is '-ni' (front). 'Aç' has 'a' (back), so the past tense is '-dın' (back).

Common Mistakes

  • Mixing front and back vowels in suffixes.

    evlar
    evlər

    Since 'ev' contains a front vowel (e), you must use the front-vowel version of the plural suffix (-lər), not the back-vowel version (-lar).

  • Following a middle vowel instead of the last vowel in words with mixed vowels.

    təyyarəlar
    təyyarələr

    In words with mixed vowels like 'təyyarə', the suffix must harmonize with the final vowel ('ə'), which is a front vowel. An error would be 'təyyarəlar' because it incorrectly follows the 'a' in the middle of the word.

  • Trying to harmonize invariant suffixes.

    babagəl
    babagil

    Some suffixes like '-gil' are invariant and never change, even if the word's last vowel is different. You should not try to force them to harmonize (e.g., changing '-gil' to '-gəl' to match 'baba').

How It Connects

Tap a pattern to see what it builds on and what it leads to.

Vowel harmony in basic suffixesLevel 1

Learn This First

Vowel harmony (sait ahəngi) is a foundational phonological rule in Azerbaijani. To understand it, learners must first be familiar with the Azerbaijani alphabet, specifically the distinction between front and back vowels, such as the difference between 'i' and 'ı'.

Learn Next

Patterns that build on this one.

And 26 more in the full list.