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

虻蜂取らず[abuhachitorazu] attempting two tasks simultaneously, accomplishing neither
花虻[hanaabu] hoverfly (any fly of family Syrphidae)
盲虻[mekuraabu] deerfly (Chrysops suavis)
馬虻[umaabu] horse botfly
食虫虻[mushihikiabu] robber fly (any fly of family Asilidae)

長吻虻[tsuriabu] bee fly (any insect of family Bombyliidae)
牛虻[ushiabu] Tabanus trigonus (species of horsefly)
赤牛虻[akaushiabu] Tabanus chrysurus (species of horsefly)
水虻[mizuabu] soldier fly (any fly of family Stratiomyidae, esp. species Stratiomys japonica)

御食い初め[okuizome] weaning ceremony
食っ付く[kuttsuku] to adhere to
食っ付ける[kuttsukeru] to attach
ぼりぼり食べる[boriboritaberu] to eat with a munching or crunching sound
インスタント食品[insutantoshokuhin] instant foods

レトルト食品[retorutoshokuhin] packed and sterilised food
衣食[ishoku] food and clothing
衣食住[ishokujuu] necessities of life (food, clothing & shelter)
育児食[ikujishoku] baby food
一夜乞食[ichiyakojiki] (a) person made homeless by fire