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

エルピー盤[erupiiban] LP
プリント基盤[purintokiban] printed wiring board
ボール盤[booruban] boor-bank drilling machine
円盤[enban] disk
円盤状[enbanjou] disk-shaped

円盤投げ[enbannage] discus throw
音盤[onban] disk
岩盤[ganban] bedrock
基盤[kiban] foundation
吸盤[kyuuban] suction pad