愛唱[aishou] fondness for singing
愛唱歌[aishouka] (one's) favourite song
愛唱曲[aishoukyoku] favourite song
暗唱[anshou] recitation
暗唱番号[anshoubangou] personal identification number

詠唱[eishou] aria
歌唱[kashou] song
吟唱[ginshou] recital
合唱[gasshou] chorus
合唱隊[gasshoutai] chorus

一首[isshu] tanka
鎌首[kamakubi] sickle-shaped neck (e.g. snake, praying mantis)
丸首[marukubi] round-necked (T-shirt)
偽首[nisekubi] falsified severed head
カリ首[karikubi] (something resembling a) goose's neck

がん首[gankubi] head of a pipe, incl. the bowl and stem attachment
機首[kishu] nose (of plane)
襟首[erikubi] nape of neck
元首[genshu] ruler
絞首刑[koushukei] death by hanging