お歯黒[ohaguro] tooth blackening
臼歯[kyuushi] molar
永久歯[eikyuushi] permanent tooth
奥歯[okuba] molars
下歯[shitaba] lower teeth

仮歯[kashi] false tooth
加工歯[kakoushi] dental bridge
義歯[gishi] artificial tooth
鋸歯[kyoshi] teeth of a saw
金歯[kinba] gold tooth

異類[irui] varieties
一類[ichirui] same kind
円虫類[enchuurui] round worms
塩類[enrui] salts
塩類溶液[enruiyoueki] saline

貝類[kairui] shellfish
柑橘類[kankitsurui] citrus fruits
希土類[kidorui] rare earth
魚貝類[gyokairui] marine products
魚類[gyorui] fish

生齧り[namakajiri] superficial knowledge
聞き齧る[kikikajiru] to have a smattering knowledge of
齧り散らす[kajirichirasu] to gnaw at and scatter around
齧りつく[kaburitsuku] to bite into
齧歯類[gesshirui] rodent

齧る[kajiru] to chew
脛齧り[sunekajiri] sponging off one's parents
食い齧る[kuikajiru] to nibble at
齧歯目[gesshimoku] Rodentia
親の脛を齧る[oyanosunewokajiru] to depend on one's parents' (financial) support