ㄴ

1. 한글 (니은) The second consonant of the Hangeul alphabet. Pronounced almost universally as 'n'.
2. 조 Abbreviation of 는, the Topic Marker.
3. 어미 1. When attached to a 동사 (Action Verb) stem ending with a vowel, indicates the Past Tense 관형사형 전성 어미. 2. When attached to a 형용사 (Adjective Verb) stem ending with a vowel, indicates the Present Tense 관형사형 전성 어미.
4. 어미 Attached to the stem of 오다, indicates an impolite, intimate command. Probably an abbreviation of 느라.