Play word 花合わせ 花合わせ はなあわせ any hanafuda game involving matching cards from one's hand with cards of the same suit in the field (such as hachi-hachi, koi-koi)
Play word 過失割合 過失割合 かしつわりあい percentage of fault (assigned to the involved parties in a traffic accident etc. for insurance purposes)
Play word 勘合貿易 勘合貿易 かんごうぼうえき licensed trade between Japan and Ming dynasty China during the Muromachi period