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

伺い知る[ukagaishiru] to perceive
伺い済み[ukagaizumi] instructions received
伺い事[ukagaigoto] inquiry
伺い探る[ukagaisaguru] to spy out
伺う[ukagau] to ask

伺候[shikou] waiting upon (someone)
暑中伺い[shochuuukagai] mid-summer menu
進退伺[shintaiukagai] informal resignation
奉伺[houshi] inquiring about (one's health)
伺い[ukagai] inquiry

炎暑[ensho] heat wave
寒暑[kansho] hot and cold
劇暑[gekisho] severe heat
厳暑[gensho] extreme heat
向暑[kousho] facing the heat

酷暑[kokusho] intense heat
残暑[zansho] late summer heat
暑い[atsui] hot (weather, etc.)
暑がり[atsugari] (person) sensitive to heat
暑さ[atsusa] heat (of the weather)