外径[gaikei] outer diameter
径路[keiro] course
口径[koukei] aperture
捷径[shoukei] shortcut
鼡径[sokei] groin

鼡径部[sokeibu] groin
直情径行[chokujoukeikou] impulsive and straightforward
内径[naikei] bore
半径[hankei] radius

鼺鼠[momi] giant flying squirrel (Petaurista leucogenys)
鼯鼠[momonga] small Eurasian flying squirrel (Pteromys momonga)
熬海鼠[iriko] dried sea slug
海鼠[namako] sea cucumber (Holothuroidea spp.)
栗鼠[risu] squirrel (excluding flying squirrels)

どぶ鼠[dobunezumi] brown rat (Rattus norvegicus)
黒鼠[kuronezumi] black rat
鼠の嫁入り[nezuminoyomeiri] light shower
鼠疫[soeki] plague