悪足掻き[waruagaki] useless resistance
一挙手一投足[ikkyoshuittousoku] slight effort
一足[issoku] pair (footwear)
一足[hitoashi] step
一足先[hitoashisaki] one step ahead

一足飛び[issokutobi] (at) one bound
逸足[issoku] fast runner
右足[migiashi] right foot
運動不足[undoubusoku] insufficient exercise
栄養不足[eiyoubusoku] malnutrition

頸静脈[keijoumyaku] jugular vein
頸動脈[keidoumyaku] carotid artery
頸肉[keiniku] neck flesh
子宮頸[shikyuukei] uterine cervix
手頸[tekubi] wrist

頸っ丈[kubittake] deeply in love with
頸筋[kubisuji] nape of the neck
頸飾り[kubikazari] necklace
鼠頸部[sokeibu] groin
足頸[ashikubi] ankle

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