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

金糸雀[kinshijaku] canary (esp. the island canary, Serinus canaria)
亜麻糸[amaito] flax yarn
綾糸[ayaito] colored thread
一糸[isshi] string
一糸まとわぬ[isshimatowanu] stark naked

一糸一毫[isshiichigou] tiny amount
下糸入れ[shitaitoire] shuttle
菌糸[kinshi] fungal filament
結紮糸[kessatsushi] ligature
原糸[genshi] thread for weaving

絡繰[karakuri] mechanism
引っ手繰り[hittakuri] purse snatching
遣り繰り[yarikuri] making do
引繰り返る[hikkurikaeru] to be overturned
引っ手繰る[hittakuru] to snatch (steal) from

勘繰る[kanguru] to be suspicious of (someone's motives)
繰越す[kurikosu] to carry forward (i.e. on a balance sheet)
繰延べ[kurinobe] postponement
繰延べる[kurinoberu] to postpone
繰下げる[kurisageru] to defer