雄羊[ohitsuji] ram
牡羊座[ohitsujiza] Aries (constellation)
野羊[yagi] goat
山羊座[yagiza] Capricornus (constellation)
牧羊[bokuyou] sheep farming

牧羊者[bokuyousha] sheep breeder
羊飼い[hitsujikai] shepherd
羊頭狗肉[youtoukuniku] using a better name to sell inferior goods
羊肉[youniku] mutton

データの先頭[deetanosentou] beginning of data
一頭[ittou] one large animal (horses, cattle, etc.)
一頭立て[ittoudate] one-horse (carriage)
咽頭[intou] pharynx
駅頭[ekitou] station

音頭[ondo] leading a group of people
会頭[kaitou] society president
街頭[gaitou] in the street
核弾頭[kakudantou] nuclear warhead
巻頭[kantou] opening page of book