葱頭[tamanegi] onion (edible plant, Allium cepa)
西洋葱[seiyounegi] leek (edible plant, Allium porrum)
韮葱[niranegi] broadleaf wild leek (edible plant with hard tubular leaves, Allium ampeloprasum)
萌葱色[moegiiro] light green
葱坊主[negibouzu] onion head

浅葱[asagi] pale blue-green
浅葱[asatsuki] chive (edible plant, Allium schoenoprasum)
分葱[wakegi] Allium wakegi (species of scallion)
長葱[naganegi] scallion

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