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

懸鉤子[kiichigo] raspberry (any plant of genus Rubus, esp. Rubus palmatus var. coptophyllus)
鉤括弧[kagikakko] square bracket
釣鉤[tsuribari] fish hook
鉤針[kagibari] hook

手鉤[tekagi] short gaff
鉤十字[kagijuuji] swastika
鉤の手[kaginote] right-angled bend
鉤虫[kouchuu] hookworm