御中[onaka] stomach
御話中[ohanashichuu] busy (phone)
アル中[aruchuu] alcoholism
π中間子[paichuukanshi] pi meson
暗中[anchuu] in the dark

暗中摸索[anchuumosaku] groping in the dark
意中[ichuu] one's mind
意中の女[ichuunoonna] sweetheart
井の中の蛙大海を知らず[inonakanokawazutaikaiwoshirazu] parochial
一日中[ichinichijuu] all day long

荷揚げ[niage] unloading
巻き揚げる[makiageru] to roll up
旗揚[hataage] raising an army
空中浮揚[kuuchuufuyou] levitation
串揚げ[kushiage] fried vegetables and meat on skewer

掲揚[keiyou] hoist (flag)
厚揚げ[atsuage] thick fried tofu
昂揚[kouyou] enhancement
揚がる[agaru] to rise
揚げる[ageru] to raise

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

空オケ[karaoke] karaoke (singing to taped accompaniment)
ベクトル空間[bekutorukuukan] vector space
茜さす空[akanesasusora] glowing sky
圧搾空気[assakukuuki] compressed air
圧縮空気[asshukukuuki] compressed air

位相空間[isoukuukan] phase space (physics)
宇宙空間[uchuukuukan] outer space
雨空[amazora] rainy sky
英国航空[eikokukoukuu] British Airways
仮想空間[kasoukuukan] virtual space (e.g. in computer graphics)