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

教授[kyouju] professor
個人教授[kojinkyouju] private instruction
交換教授[koukankyouju] exchange professor
口授[kuuju] oral instruction or teaching or method
授かる[sazukaru] to be awarded (e.g. a prize)

授ける[sazukeru] to grant
授業[jugyou] lesson
授業を受ける[jugyouwoukeru] to take a class
授業料[jugyouryou] tuition fee
授爵[jushaku] elevation to peerage

パートタイム従業員[paatotaimujuugyouin] part time employee
フルタイム従業員[furutaimujuugyouin] full-time employee
偉業[igyou] great enterprise
遺業[igyou] work left at death
医業[igyou] medical practice

医薬分業[iyakubungyou] separation of medical and dispensary practice (practise)
印刷業[insatsugyou] printing business
因業[ingou] heartless
営業[eigyou] business
営業マン[eigyouman] salesman