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

下手糞[hetakuso] extreme clumsiness
胸糞が悪い[munakusogawarui] annoying
人糞[jinpun] night soil
珍糞漢[chinpunkan] babble

糞みそに言う[kusomisoniiu] to verbally attack (violently)
糞度胸[kusodokyou] foolhardiness
糞尿[funnyou] feces and urine
糞便[funben] feces