(bound form) flat; level; smooth, as in 平坦 píng​tǎn or 坦途 tǎn​tú

(bound form) used in transliterations, especially for Tibetan and Mongolian sounds such as in 噶伦 gá​lún or 噶厦 gá​xià

(bound form) used in phonetic transcriptions for the sound 'ni', such as in names for people or places

(bound form) Character used in phonetic transcriptions for foreign names and places, such as 喀什米尔 kā​shí​mǐ'ěr or 喀麦隆 kā​mài​lóng