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

一般幕僚[ippanbakuryou] general staff
一幕[hitomaku] one act
一幕物[hitomakumono] (a) one-act play
引幕[hikimaku] draw curtain
煙幕[enmaku] smokescreen

下げ幕[sagemaku] drop curtain
開幕[kaimaku] raising the curtain
旧幕[kyuubaku] the old feudal government
銀幕[ginmaku] silver screen (movies)
見幕[kenmaku] threatening attitude