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

案内係[annaigakari] clerk at the information desk
因果関係[ingakankei] consequence
外交関係[gaikoukankei] diplomatic relations
勘定係[kanjougakari] cashier
関係[kankei] relation

関係つける[kankeitsukeru] to relate
関係会社[kankeigaisha] affiliated company
関係強化[kankeikyouka] strengthening of relations
関係者[kankeisha] authorized people
求職係[kyuushokugakari] applicant interviewer

パチンコ台[pachinkodai] pachinko (Japanese pinball) machine
ワーク取り付け台[waakutoritsukedai] (manufacturing) fixtures
独り舞台[hitoributai] performing solo (by oneself)
一台[ichidai] one machine
縁台[endai] bench

家台[yatai] cart (esp. a food cart)
下台所[shimodaidokoro] servants' kitchen
化粧台[keshoudai] dressing table
架台[kadai] stand
荷台[nidai] (truck) load-carrying tray

機関[karakuri] mechanism
に関して[nikanshite] related to
に関する[nikansuru] related to
シグモイド関数[shigumoidokansuu] sigmoid function
スカッシング関数[sukasshingukansuu] squashing function

ステップ関数[suteppukansuu] step function
ブーリアン関数[buuriankansuu] Boolean function
意志決定機関[ishiketteikikan] decision-making body
医療機関[iryoukikan] medical institution
因果関係[ingakankei] consequence