こつにく
one's own flesh and blood; blood relative; kinsman
・skeleton
・bone
・remains
・frame
・meat
flesh and bone;(one's) body
こつにくのあらそい
family quarrel
こつにくそうしょく
blood feud;domestic discord
こつにくあいはむ
to have a consanguineous feud;to fight between family members;to have an internecine feud
こつにくしゅ
osteosarcoma