-ün

Suffix

 * 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
 * 1) Genitive case suffix for the nouns which end in a consonant
 * düğün - düğünün
 * wedding - wedding's/of the wedding

Usage notes

 * 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