雁の使い[karinotsukai] (a) letter
雁の文[karinofumi] (a) letter
雁の便り[karinotayori] (a) letter
雁行[gankou] the flight formation of geese
雁骨[kariganebone] scapula

雁字搦みに[ganjigaramini] (bind) firmly
雁首[karikubi] (something resembling a) goose's neck
雁首[gankubi] head of a pipe, incl. the bowl and stem attachment
雁書[gansho] letter
雁爪[ganzume] Japanese rake

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