I've taken a list of English words, and examined each of them to see what they sound like (using the PHP metaphone function). This page lists the most common metaphone codes, along with their words. You can also search for a word of your own, and see which words sound similar - and which ones rhyme, and which ones alliterate.
powders powters pewters padders potters pouters poetries potteries paters padres peters patters petters pitiers putters puttiers pedros petrous
powders chowders kneaders biders needers deers lauders loaders ladders redders raiders ridders coders guiders heeders chiders mudders ciders seders voiders dodders fodders tidiers headers wadders faders wedders eiders widders feeders chudders shedders judders padders rudders seeders cyders nodders powters leaders madders laders redears readers riders gadders kidders hiders ceders bidders pewters codders doers tedders adders udders heders waders beaders weeders bedders cheders aiders dears budders shaders shudders