馬酔木[asebi] Japanese andromeda (Pieris japonica)
馬鈴薯[jagaimo] potato (Solanum tuberosum)
じゃじゃ馬[jajauma] restive horse
玖馬[kyuuba] Cuba
トロイの木馬[toroinomokuba] Trojan horse

巴奈馬[panama] Panama
馬克[maruku] mark
羅馬字[roomaji] Latin alphabet
ワープロ馬鹿[waapurobaka] someone whose kanji-writing ability has suffered due to overreliance on the kana-to-kanji conversion systems used to input Japanese text on a computer
愛馬[aiba] favourite horse

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