小便をする[shoubenwosuru] to pee
穏便[onbin] gentle
音便[onbin] euphony
花便り[hanadayori] news of cherry blossom blooming conditions
簡便[kanben] handy

雁の便り[karinotayori] (a) letter
共同便所[kyoudoubenjo] comfort station
軽便[keiben] convenience
検便[kenben] stool (feces) examination
公衆便所[koushuubenjo] public lavatory

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