御帰りなさい[okaerinasai] welcome home
烏有に帰する[uyuunikisuru] to be reduced to ashes
回帰[kaiki] return (to)
回帰線[kaikisen] the tropics (Cancer and Capricorn)
回帰的[kaikiteki] recursive

帰す[kaesu] to send (someone) back
帰り[kaeri] return
帰り路[kaerimichi] the way back or home
帰る[kaeru] to return
帰依[kie] devotion

運輸省[unyushou] Ministry of Transport
外務省[gaimushou] Ministry of Foreign Affairs
各省[kakushou] each ministry
冠省[kanshou] Forgive me for dispensing with the preliminaries, but I hasten to inform you that...
帰省[kisei] homecoming

教育省[kyouikushou] Department of Education
省みる[kaerimiru] to look back (e.g. over shoulder or at the past)
厚生省[kouseishou] Ministry of Health and Welfare (now Ministry of Health, Labour and Welfare)
国防総省[kokubousoushou] National Military Establishment
国務省[kokumushou] State Department