Turkish with BuseTurkish Vowel Harmony, Explained Simply
Why is it evler but arabalar? Turkish endings change their vowel to match the word. It sounds scary, but there are only two patterns – and you already hear them in every sentence.
The idea in one sentence
Look at the last vowel of the word. The ending copies its “family”, so the word is easy to say.
| Group | Vowels | Made… |
|---|---|---|
| front | e, i, ö, ü | at the front of the mouth |
| back | a, ı, o, u | at the back of the mouth |
Rule 1 – the 2-way rule (e / a)
Endings like the plural -ler/-lar, “in/at” -de/-da and “from” -den/-dan have two forms.
| Last vowel of the word | Ending uses |
|---|---|
| e, i, ö, ü | e |
| a, ı, o, u | a |
Rule 2 – the 4-way rule (i / ı / ü / u)
Many endings have four forms, for example the question word mi, “with” -li and “my” -im.
| Last vowel of the word | Ending uses |
|---|---|
| e, i | i |
| a, ı | ı |
| ö, ü | ü |
| o, u | u |
Exceptions you will meet
Some endings never change, and some loanwords break the rule:
Quick quiz: test yourself
1. What is the plural of “kitap” (book)?
2. What is the plural of “göz” (eye)?
3. Complete: “Bu çay ___?” (Is this tea?)
4. Complete: “Sen öğrenci ___?” (Are you a student?)
5. Which ending never changes?
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Frequently asked questions
What is vowel harmony in Turkish?
It means that endings change their vowel to match the last vowel of the word, so words flow smoothly: evler but arabalar.
How many vowel harmony rules are there?
Two: the 2-way rule (e/a) and the 4-way rule (i/ı/ü/u).
Are there exceptions?
A few: some endings like -yor never change, and some loanwords (saat, saatler) take front endings.