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

千羽鶴[senbazuru] (string of) many (traditionally 1000) paper cranes
掃き溜めに鶴[hakidamenitsuru] a jewel in a dunghill
田鶴[tazu] crane (any bird of the family Gruidae, esp. the red-crowned crane, Grus japonensis)
鶴嘴[tsuruhashi] pickaxe
折鶴[orizuru] folded paper crane

鶴首[kakushu] looking forward to
丹頂鶴[tanchouzuru] red-crowned crane
鶴首して待つ[kakushushitematsu] to wait expectantly
鶴科[tsuruka] Gruidae
真名鶴[manazuru] white-naped crane (Grus vipio)