Nouns that drop a vowel (oğlum, ismim)

A Vowel Falls Out

Add -um to oğul (son) and you do not get oğulum — you get oğlum (my son). A family of two-syllable nouns drops the vowel of its second syllable whenever a suffix starting with a vowel attaches — most often the possessives you just learned:

noun+ possessive
oğul (son)oğlum — my son
isim (name)ismim — my name
resim (picture)resmin — your picture
şehir (city)şehrimiz — our city
My son is studying at the library.
Oğlum kütüphanede ders çalışıyor.
My name is Deniz.
Benim ismim Deniz.
What is your name?
İsmin ne?

Which Nouns Do This?

There is no visible mark on the noun — the group has to be learned word by word. Many are body parts or old, everyday words: burun (nose) → burnum, karın (belly) → karnım, akıl (mind) → aklımda, ağız (mouth) → ağzı. You will meet each of these later; when you do, this is why their vowel disappears:

Your picture is very beautiful.
Senin resmin çok güzel.
My picture is not new.
Resmim yeni değil.

Only Before Vowels

The vowel drops only when the suffix starts with a vowel. Consonant-initial suffixes leave the noun whole:

vowel-initial suffixconsonant-initial suffix
şehrim (my city)şehirde (in the city)
oğlun (your son)oğullar (sons)
Our city is very big.
Şehrimiz çok büyük.
Is your city small?
Senin şehrin küçük mü?
Our son is at school today.
Oğlumuz bugün okulda.

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