雄牛[oushi] bull
牡牛座[oushiza] Taurus (constellation)
乾燥牛乳[kansougyuunyuu] powdered milk
牛脂[gyuushi] beef tallow
牛飼い[ushikai] cattleman

牛耳る[gyuujiru] to control
牛舎[gyuusha] cow shed
牛車[gyuusha] ox carriage (for Heian era nobles)
牛小屋[ushigoya] cow shed

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)