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

テレビ局[terebikyoku] television station
医局[ikyoku] medical office
一局[ikkyoku] one game (checkers, etc.)
一局部[ichikyokubu] one part
衛星地球局[eiseichikyuukyoku] (satellite) earth station

開局[kaikyoku] opening of post-office or telephone exchange
外局[gaikyoku] external bureau
管理局[kanrikyoku] administration bureau
危局[kikyoku] crisis
共産党政治局[kyousantouseijikyoku] Politburo

一重継ぎ[hitoetsugi] sheep bend (knot)
引継ぐ[hikitsugu] to take over
継合せる[tsugiawaseru] to join together
継接ぎ[tsugihagi] patching (and darning)
継足す[tsugitasu] to extend (e.g. a house)

継ぐ[tsugu] to succeed (someone in a business or inheritance)
継嗣[keishi] successor
継っ子[keishi] stepchild
継承[keishou] inheritance
継承者[keishousha] successor