-ün

-ün

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

   üzüm - üzümün

   grape - your grape

   göl - gölün

   lake - your lake

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

   düğün - düğünün

   wedding - wedding's/of the wedding

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

  ütü - ütün

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

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

  saç - saçın (the last vowel is "a" or "ı")

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

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

  öç - öcün

  sözük - sözcüğün

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

  ömür - ömrün

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

  ütü - ütünün

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

  Özgür - Özgür'ün

-ün

1. Used to form the superlative form of adjectives.