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

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)

亜細亜[ajia] Asia (esp. "the Far East")
委細[isai] details
委細面談[isaimendan] details when I see you
共産党細胞[kyousantousaibou] communist cell
些細[sasai] trivial

細細[komagoma] minutely
細細[hosoboso] poor (living)
細い[hosoi] thin
細か[komaka] small
細かい[komakai] small

レジオネラ菌[rejionerakin] Legionella pneumophila (bacteria that causes Legionnaires' disease)
汚染菌[osenkin] contaminant
化膿菌[kanoukin] pyogenic bacteria
球菌[kyuukin] coccus
菌糸[kinshi] fungal filament

菌毒[kindoku] mushroom poison
菌類[kinrui] fungus
抗菌[koukin] antibacterial
抗菌性[koukinsei] antibacterial
抗真菌[koushinkin] antifungal