ローロー船[rooroofune] roll-on-roll-off ship
宇宙船[uchuusen] space ship
下船[gesen] going ashore
荷船[nibune] freighter
貨物船[kamotsusen] freighter

艦船[kansen] (ocean) vessels
汽船[kisen] steamship
客船[kyakusen] passenger boat
巨船[kyosen] ocean liner
漁船[gyosen] fishing boat

ミサイル駆逐艦[misairukuchikukan] (guided) missile destroyer
伊艦[ikan] Italian warship
仮装巡洋艦[kasoujunyoukan] merchant cruiser
艦橋[kankyou] bridge (e.g. on a warship)
艦載機[kansaiki] ship-borne plane

艦上[kanjou] aboard a warship
艦船[kansen] (ocean) vessels
艦隊[kantai] (naval) fleet
艦長[kanchou] captain (of a warship)