交喙[isuka] common crossbill (Loxia curvirostra)
烏喙骨[ukaikotsu] coracoid

交喙の嘴[isukanohashi] something contradictory and different from what one expected

烏龍茶[uuroncha] oolong tea
烏の行水[karasunogyouzui] quick bath
烏の濡れ羽色[karasunonurebairo] glossy black (hair)
烏羽玉[ubatama] jet black
烏羽色[karasubairo] glossy black

烏貝[karasugai] cockscomb pearl mussel (Cristaria plicata)
烏金[karasugane] money lent at daily interest
烏口[karasuguchi] ruling pen
烏合の衆[ugounoshuu] disorderly crowd

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