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

共産党中央委員会[kyousantouchuuouiinkai] Central Committee of the Communist Party
震央[shinou] epicentre (of an earthquake)
中央[chuuou] centre
中央アジア[chuuouajia] central Asia
中央委員会[chuuouiinkai] central committee

中央計画[chuuoukeikaku] centralized planning
中央口[chuuouguchi] central entrance
中央集権[chuuoushuuken] centralized authoritarian rule
中央集権化[chuuoushuukenka] centralization of power
中央処理装置[chuuoushorisouchi] central processing unit

位官[ikan] rank and official position
依願免官[iganmenkan] retirement at one's own request
尉官[ikan] officer below the rank of major
医官[ikan] medical officer
沖縄開発庁長官[okinawakaihatsuchouchoukan] Director General of Okinawa Development Agency

下士官[kashikan] non-commissioned officer
下士官兵[kashikanhei] enlisted man
科学技術庁長官[kagakugijutsuchouchoukan] Director General of Science and Technology Agency
会計官[kaikeikan] accountant
外交官[gaikoukan] diplomat

沖縄開発庁長官[okinawakaihatsuchouchoukan] Director General of Okinawa Development Agency
科学技術庁[kagakugijutsuchou] Science and Technology Agency
科学技術庁長官[kagakugijutsuchouchoukan] Director General of Science and Technology Agency
官公庁[kankouchou] government administration office
官庁[kanchou] government office

官庁街[kanchougai] government district
環境庁[kankyouchou] Environment Agency
環境庁長官[kankyouchouchoukan] Director General of Environment Agency
管轄官庁[kankatsukanchou] controlling office
気象庁[kishouchou] (Japanese) Meteorological Agency