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

運航[unkou] operating (e.g. ships, aircraft)
えい航[eikou] towing (a ship)
英国航空[eikokukoukuu] British Airways
往航[oukou] outward voyage
廻航[kaikou] navigation

寄航[kikou] stopping at a port
休航[kyuukou] suspension of sailings
近接航空支援[kinsetsukoukuushien] close air support
欠航[kekkou] flight cancellation
航宇[kouu] aerospace