-ın

-ın

1. Second-person singular possessive suffix denoting singular possession in words ending in a consonant.

   saç - saçın

   hair - your hair

   kız - kızın

   daughter - your daughter

2. Genitive case suffix for the nouns which end in a consonant

   adam - adamın

   man - man's/of the man

• If the noun ends in a vowel, it becomes "-n" (for the possession suffix)

  araba - araban

• It's used only when the word's last vowel is "a" or "ı". It may change into "-in", "-un" and "-ün" according to the last vowel of the word. (possession suffix)

  ev - evin (the last vowel is "e" or "i")

  yol - yolun (the last vowel is "o" or "u")

  yüz - yüzün (the last vowel is "ö" or "ü")

• If the word ends in "p", "ç", "t" or "k", it may change them into "b", "c", "d" and "ğ".

  kitap - kitabın

  ağaç - ağacın

  kanat - kanadın

  kulak - kulağın

• It may cause the last vowel of the word dropped.

  karın - karnın

• If the word ends in a vowel, it's used with an auxiliary consonant; "n". (for the genitive case suffix)

  kurbağa - kurbağanın

• It must be used with an apostrophe if it's appended to a proper noun.

  Barış - Barış'ın