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

沖仲仕[okinakashi] longshoreman
犬猿の仲[kenennonaka] loggerheads
仲断[chuudan] interruption
仲がよい[nakagaii] close
仲違い[nakatagai] discord

仲夏[chuuka] midsummer
仲介[chuukai] agency
仲介者[chuukaisha] mediator
仲介物[chuukaibutsu] intermediary

陰核[inkaku] clitoris
核エネルギー[kakuenerugii] nuclear energy
核家族[kakukazoku] nuclear family
核開発[kakukaihatsu] nuclear development
核災害[kakusaigai] nuclear disaster

核酸[kakusan] nucleic acid
核子[kakushi] nucleon
核実験[kakujikken] nuclear (bomb) test
核心[kakushin] core