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

暗雲[anun] dark clouds
闇雲[yamikumo] recklessly
いわし雲[iwashigumo] cirro-cumulus
雨雲[amagumo] rain cloud
雲隠れ[kumogakure] disappearance

雲影[unei] cloud shape
雲海[unkai] sea of clouds
雲間[kumoma] rift between clouds
雲形[kumogata] cloud formations