塵入[gomiire] trashcan
塵箱[gomibako] garbage can
黄塵[koujin] dust (in air)
灰塵[haijin] ashes and dust
含塵率[ganjinritsu] dust content

吸塵[kyuujin] dust vacuuming
後塵[koujin] second fiddle
市塵[shijin] city dust
塵芥[jinkai] rubbish

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

汚染除去[osenjokyo] decontamination
加減乗除[kagenjoujo] the four arithmetical operations (addition, subtraction, multiplication, division)
加除[kajo] insertion and deletion
加除式[kajoshiki] looseleaf
課税控除[kazeikoujo] tax exemption

解除[kaijo] cancellation
刈除[gaijo] removal
駆除[kujo] extermination
欠除[ketsujo] lusting
後述の場合を除き[koujutsunobaaiwonozoki] except as noted below