肋骨[abarabone] rib
肋間神経痛[rokkanshinkeitsuu] intercostal neuralgia
肋膜[rokumaku] pleura
肋木[rokuboku] wall bars
肋肉[baraniku] boned rib (esp. of pork or beef)

中肋[chuuroku] midrib
肋凹[rokuou] costal fovea
肋材[rokuzai] lumber (for the ribs of a ship)
肋筋[rokkin] stirrup (in reinforced concrete construction)

一念発起[ichinenhokki] being resolved to (do something)
引き起す[hikiokosu] to cause
縁起[engi] omen
喚起[kanki] arousal
起きる[okiru] to get up

起上る[okiagaru] to rise
起す[okosu] to raise
起こり得る[okoriuru] to be possible to occur
起る[okoru] to occur
起つ[tatsu] to rise up

せん状骨[senjoukotsu] scaphoid bone (in wrist near thumb)
遺骨[ikotsu] remains
化骨[kakotsu] ossification
会厭軟骨[eennankotsu] epiglottis
がい骨[gaikotsu] skeleton

雁骨[kariganebone] scapula
気骨[kikotsu] (moral) backbone
侠骨[kyoukotsu] chivalrous spirit
胸骨[kyoukotsu] breastbone
筋骨[kinkotsu] muscles (sinews) and bones