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

演劇[engeki] drama
歌劇[kageki] opera
楽劇[gakugeki] musical play
活劇[katsugeki] action picture
勧善懲悪劇[kanzenchouakugeki] morality play

観劇[kangeki] theatre-going
喜歌劇[kikageki] comic opera
喜劇[kigeki] comedy
喜劇映画[kigekieiga] comic film
急劇[kyuugeki] sudden