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

亜綱[akou] (biological) subclass
井戸綱[idozuna] well rope
井綱[izuna] well rope
横綱[yokozuna] yokozuna (grand champion)
綱曳き[tsunahiki] tug of war (orig. a form of divination to predict whether the year will be favourable or unfavourable)

綱紀[kouki] law and order
綱紀粛正[koukishukusei] eliminating corruption among government officials
綱渡り[tsunawatari] tightrope walking
綱要[kouyou] elements

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