御猪口[ochoko] small cup
片口鰯[katakuchiiwashi] Japanese anchovy (Engraulis japonica)
白口[shiroguchi] white croaker (Pennahia argentata)
悪たれ口[akutareguchi] abuse
悪口雑言[akkouzougon] all kinds of malicious gossip

異口同音[ikudouon] in concert
異口同音に[ikudouonni] in one voice
ひと口[hitokuchi] mouthful
一口商い[hitokuchiakinai] an immediate definite deal
一口同音[ikkudouon] reading in unison

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