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