爬う[hau] to creep
爬虫[hachuu] reptile
爬虫類[hachuurui] reptiles
掻爬[souha] curettage
爬行性[hakousei] sluggishness

水爬虫[tagame] Lethocerus deyrollei (species of giant water bug)
哺乳類型爬虫類[honyuuruigatahachuurui] mammal-like reptile
爬虫両生類学[hachuuryouseiruigaku] herpetology
爬龍[haarii] Okinawan dragon boat race
爬行[hakou] creeping

ランブル鞭毛虫[ranburubenmouchuu] giardia (flagellate protozoan)
ランブル鞭毛虫症[ranburubenmouchuushou] giardiasis
いも虫[imomushi] hornworm (caterpillar of a hawk moth)
益虫[ekichuu] useful insect
円虫類[enchuurui] round worms

夏虫[natsumushi] summer insect
蛔虫[kaichuu] roundworm (Ascaris lumbricoides)
害虫[gaichuu] harmful insect
鈎虫[kouchuu] hookworm
寄生虫[kiseichuu] parasite

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