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

御前[omai] you (formerly honorific, now sometimes derog. term referring to an equal or inferior)
御前さん[omaesan] you
已前[izen] ago
以前に[izenni] ago
一人前[ichininmae] becoming adult

一人前になる[ichininmaeninaru] to come of age
一昔前[hitomukashimae] long ago
一歩前進[ippozenshin] (a) step forward
駅前[ekimae] in front of station
駅前通り[ekimaedoori] street in front of station