Turkish Plural Suffix: -lar & -ler Rules, Exceptions, and When NOT to Use Them

Making a noun plural in Turkish takes one suffix, -lar or -ler, and there are no irregular plurals like English foot/feet or mouse/mice. The harder part for English speakers is knowing when not to use it: after numbers and quantity words, Turkish nouns stay singular. This guide covers the harmony rule, the loanword exceptions, where the plural sits in a chain of suffixes, the extra meanings of -ler, and the typical mistakes.

The basic rule: 2-way vowel harmony

The plural follows 2-way vowel harmony. Look at the last vowel of the word:

Only the last vowel counts, even in long words: öğrenci → öğrenciler (students), arkadaş → arkadaşlar (friends), bilgisayar → bilgisayarlar (computers), otobüs → otobüsler (buses).

The plural never changes the stem: because -lar/-ler starts with a consonant, there is no buffer letter and no consonant softening. Compare kitap → kitaplar with kitap → kitabı (accusative), where the vowel-initial suffix triggers consonant mutation.

Exceptions: loanwords that take -ler

A small group of loanwords, mostly of Arabic or French origin, take front-vowel suffixes even though their last vowel is a or o. These words are treated as if their final consonant were “front” (historically a palatal l or similar). Learn them as vocabulary:

The exception applies to every harmonising suffix, not only the plural: saatte (at the hour), harfi (the letter), golü (the goal). If you are unsure, check a dictionary or the harmony calculator.

Compound words simply follow their last vowel: bilgisayar → bilgisayarlar (computers), Kahramanmaraş → Kahramanmaraş’ta (in Kahramanmaraş).

The golden rule: no plural after numbers and quantities

In English you say “three cats”. In Turkish, when a number or quantity word comes before a noun, the noun stays singular:

Words that trigger this rule include all numbers, kaç (how many), birkaç (a few), çok (many), birçok (many, several), az (few) and her (every). By contrast, bazı (some) and bütün / tüm (all) normally take a plural noun: bazı insanlar (some people), bütün öğrenciler (all the students).

Plurals in the predicate

The plural also appears as an optional “they are” ending (see personal pronouns and ‘to be’): Çocuklar yorgun(lar). (The children are tired.) With non-human plural subjects, Turkish normally uses a singular verb: Kuşlar uçuyor. (The birds are flying.), not uçuyorlar.

Where the plural goes in a suffix chain

Turkish suffixes come in a fixed order. The plural comes right after the stem, before possessive and case endings:

stem + plural + possessive + case

You can split any long word with the suffix deconstructor. Note that the 3rd person possessive after a plural is just -ı/-i: kitapları = “his books” or “their books” or “their book”. Context resolves it. For the possessive endings themselves, see possessive suffixes.

Special uses of -lar / -ler

Besides “more than one”, the plural suffix has several idiomatic uses you will hear every day:

• Family or group: annemler = “my mum and the family”, “my parents’ place”; Ayşeler = “Ayşe’s family”. Akşam annemlere gidiyoruz. (We’re going to my parents’ this evening.)
• Approximate time: saat beşlerde = “around five o’clock”; doksanlarda = “in the nineties”.
• Respect: in formal speech, a single person can take a plural verb: Müdür Bey geldiler. (The director has arrived; deferential.)
• Emphasis / abundance: Yıllar geçti. (Years went by.) Ne günlerdi! (What days those were!)
• Greetings: İyi akşamlar (good evening) and İyi geceler (good night) are fixed plural greetings; Günaydınlar! is a warm, informal “good morning, everyone”.

Mass nouns and pairs

Nouns for substances usually stay singular unless you mean “kinds of” or “portions”: su (water), sular (waters, bodies of water). Items that come in pairs are singular in Turkish where English uses a plural: pantolon (trousers), gözlük (glasses), makas (scissors). Yeni gözlüğüm = “my new glasses”.

Example sentences

1. Kitaplar masada. — The books are on the table.
2. Üç kardeşim var. — I have three siblings.
3. Kaç bilet istiyorsunuz? — How many tickets do you want?
4. Bütün öğrenciler sınıfta. — All the students are in the classroom.
5. Bazı günler çok yorgunum. — Some days I’m very tired.
6. Her sabah koşuyorum. — I run every morning.
7. Bu saatler çok pahalı. — These watches are very expensive.
8. Çocuklar bahçede oynuyor. — The children are playing in the garden.
9. Arkadaşlarımla sinemaya gittim. — I went to the cinema with my friends.
10. Hafta sonu annemlerdeyiz. — We’re at my parents’ place this weekend.
11. Saat altılarda gelirim. — I’ll come around six.
12. Birkaç dakika bekleyin, lütfen. — Please wait a few minutes.
13. İki çay, bir kahve lütfen. — Two teas and a coffee, please.
14. Türkçede 29 harf var. — There are 29 letters in Turkish.
15. Gözlüğüm nerede? — Where are my glasses?
16. Bu kelimelerin anlamlarını biliyor musun? — Do you know the meanings of these words?

Common mistakes

• Plural after a number: ❌ iki simitler / ✅ iki simit.
• Wrong harmony with the first vowel instead of the last: ❌ öğrencilar / ✅ öğrenciler.
• Ignoring loanword exceptions: ❌ saatlar, harflar / ✅ saatler, harfler.
• Wrong suffix order: ❌ evimler / ✅ evlerim (plural before possessive).
• Plural verb with things: Otobüsler geliyorlar is not wrong, but Otobüsler geliyor is the natural form.
• Dropping the plural after bazı/bütün: ❌ bazı insan / ✅ bazı insanlar.

Mini-exercise

Make the noun plural, or decide that it must stay singular.

1. masa
2. üç ___ (elma)
3. saat
4. bütün ___ (şehir)
5. göz + possessive “my” (plural)
6. kaç ___ (kişi)?
7. okul + “from the” (plural)
8. rol

Answers: 1. masalar 2. üç elma 3. saatler 4. bütün şehirler 5. gözlerim 6. kaç kişi 7. okullardan 8. roller

Next steps

Check any tricky word in the harmony calculator, then learn how plurals combine with endings in the noun cases guide.