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

五月蠅い[urusai] noisy
青蠅[kinbae] greenbottle fly (esp. species Lucilia caesar)
猩々蠅[shoujoubae] fruit fly (any insect of family Drosophilidae)
馬蠅[umabae] horse botfly (Gasterophilus intestinalis)
蠅取[haetori] catching flies

家蠅[iebae] housefly (Musca domestica)
蒼蠅[souyou] bluebottle fly
蠅地獄[haejigoku] Venus flytrap
蠅取草[haetorigusa] Venus flytrap