橈骨[toukotsu] radius (bone of the forearm)
橈む[tawamu] to bend
橈める[tawameru] to bend (a piece of wood, etc.)

橈脚類[kaiashirui] copepods (small crustaceans of subclass Copepoda)
橈骨動脈[toukotsudoumyaku] radial artery

韻脚[inkyaku] metrical foot (poet.)
下脚[kakyaku] legs
火脚[hiashi] spreading of a fire
脚韻[kyakuin] rhyme
脚気[kakke] beriberi

脚色[kyakushoku] dramatization (e.g. film)
脚線美[kyakusenbi] beauty of slender female legs
脚註[kyakuchuu] footnote
脚付き[ashitsuki] something (equipped) with legs
脚部[kyakubu] leg

異類[irui] varieties
一類[ichirui] same kind
円虫類[enchuurui] round worms
塩類[enrui] salts
塩類溶液[enruiyoueki] saline

貝類[kairui] shellfish
柑橘類[kankitsurui] citrus fruits
希土類[kidorui] rare earth
魚貝類[gyokairui] marine products
魚類[gyorui] fish