空中浮遊[kuuchuufuyuu] levitation
空中浮揚[kuuchuufuyou] levitation
軽佻浮薄[keichoufuhaku] frivolous and thoughtless
再浮上[saifujou] resurfacing
思い浮かぶ[omoiukabu] to occur to

歯が浮く[hagauku] to get loose teeth
歯の浮くような[hanoukuyouna] set one's teeth on edge
磁気浮上[jikifujou] maglev
浮かない顔[ukanaikao] looking depressed
浮かぬ顔[ukanukao] long face

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