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

遺髪[ihatsu] hair of the deceased
一髪[ippatsu] hair
下げ髪[sagegami] pigtail
間一髪[kanippatsu] hair's breadth
間一髪のところ[kanippatsunotokoro] close call

間一髪を入れず[kanippatsuwoirezu] in a flash
危機一髪[kikiippatsu] by a hair's breadth
共白髪[tomoshiraga] growing old together (a couple)
襟髪[erigami] scruff of neck
金髪[kinpatsu] blond hair