鎌止め[kamadome] cutting grass and trees is prohibited
鎌首[kamakubi] sickle-shaped neck (e.g. snake, praying mantis)
鎌倉時代[kamakurajidai] Kamakura period (1185-1333 CE)
鎌足[kamaashi] legs bowed in
鎌鼬[kamaitachi] type Japanese folkloric monster (yokai), thought to be a trio of weasels who appear in a whirlwind to cut their victim

鎌切[imojiri] praying mantis (esp. the narrow-winged mantis, Tenodera angustipennis)
鎌形[kamagata] sickle-shaped
鎖鎌[kusarigama] sickle and chain (weapon)
鎌をかける[kamawokakeru] to trick someone (into confirming or revealing the truth)

基地閉鎖[kichiheisa] (military) base closing
金鎖[kingusari] golden chain
鎖国[sakoku] national isolation
鎖骨[sakotsu] collarbone
鎖樋[kusaritoi] rain chain (hanging from a gutter and functioning as downspout, often made of ornamental cups)

再封鎖[saifuusa] reblocking
道路封鎖[dourofuusa] roadblock
封鎖[fuusa] blockade
鎖す[sasu] to shut