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

斯う[kou] in this way (used for something or someone close to the speaker, including the speaker himself, or for the opinions of the speaker)
斯う言う[kouiu] such
越幾斯[ekisu] extract (esp. of food, fruit, etc.)
瓦斯[gasu] gas
窒扶斯[chifusu] typhoid fever

斯くて[kakute] thus
螽斯[kirigirisu] Japanese katydid (Gampsocleis buergeri)
斯の[kono] this (something or someone close to the speaker (including the speaker), or ideas expressed by the speaker)
愛斯蘭[aisurando] Iceland
然う斯う[soukou] this and that

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

書留郵便[kakitomeyuubin] registered mail
定形郵便物[teikeiyuubinbutsu] standard size mail
年賀郵便[nengayuubin] New Year's mail
郵政省[yuuseishou] Ministry of Posts and Telecommunications
郵政大臣[yuuseidaijin] Minister of Posts and Telecommunications

郵税[yuuzei] postage
郵送[yuusou] mailing
郵送料[yuusouryou] freight costs
郵袋[yuutai] mailbag
郵便為替[yuubinkawase] postal money order