機関[karakuri] mechanism
アナログ計算機[anarogukeisanki] analog computer
エンジン発動機[enjinhatsudouki] engine
サーボ機構[saabokikou] servomechanism
シフト演算機構[shifutoenzankikou] shift arithmetic unit

ジェット機[jettoki] jet aeroplane
弾機[hatsujou] spring (e.g. coil, leaf)
ヒグス機構[higusukikou] Higgs mechanism (physics)
プロペラ機[puroperaki] propeller-driven aircraft
圧延機[atsuenki] rolling machine

覗う[ukagau] to peep (through)
覗き[nozoki] peeping
覗き見[nozokimi] peeking
覗きこむ[nozokikomu] to look into
覗く[nozoku] to peek (though a keyhole, gap, etc.)

覗魔[nozokima] peeping tom
管の穴から天を覗く[kudanoanakaratenwonozoku] Have a narrow view of things
覗眼鏡[nozokimegane] peep show
覗機関[nozokikarakuri] peep show
差覗く[sashinozoku] to peek

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