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

龜の子[kamenoko] young turtle (tortoise)
龜の手[kamenote] barnacle
龜鑑[kikan] pattern
龜甲[kikou] tortoise shell

龜裂[kiretsu] crack
龜卜[kameura] tortoise-shell divination
龜の甲[kamenokou] tortoise shell
龜虫[kamemushi] shield bug