橋脚舟[kyoukyakushuu] pontoon
呉越同舟[goetsudoushuu] bitter enemies (placed by fate) in the same boat
笹舟[sasabune] toy bamboo-leaf boat
舟唄[funauta] sailor's song
舟橋[funahashi] pontoon

舟艇[shuutei] boat
助け舟[tasukebune] lifeboat
小舟[kobune] boat
上陸用舟艇[jourikuyoushuutei] landing craft
渡し舟[watashibune] ferry

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