其の内[sonouchi] before very long
河内[hanoi] Hanoi
案内[annai] information
案内係[annaigakari] clerk at the information desk
案内所[annaijo] information desk

案内書[annaisho] guidebook
案内嬢[annaijou] usherette
以内[inai] within
域内[ikinai] inside the area
一時間以内[ichijikaninai] within one hour

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