胃薬[igusuri] stomach medicine
医薬[iyaku] medicine
医薬品[iyakuhin] medical supplies
医薬分業[iyakubungyou] separation of medical and dispensary practice (practise)
飲薬[nomigusuri] oral medicine

下し薬[kudashigusuri] laxative
下ろし薬[oroshigusuri] an abortive
下薬[geyaku] laxative
加薬[kayaku] spices
火薬[kayaku] gunpowder

薬鑵[yakan] kettle
薬鑵頭[yakanatama] bald head

汽鑵[kikan] boiler

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