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.
raiders riders readers ridders radars raters redears rioters writers redders rudders ratters ritters ruderies rotaries readdress retros retears rotters retries rooters redries retires routers redress retirees reutters retrousse rotors redraws retrace
biders hiders raiders chiders voiders aiders eiders ciders riders guiders coders bedders nodders biters madders faders cottiers lidars kidders ladders miters ceders seeders beaders judders kneaders padders readers dodders shedders chudders loiters widders wedders waders heeders udders tidiers tiers niters cyders writers pitiers doers laders liters deers dears leaders ridders bidders heders gadders baiters goiters puttiers headers powders feeders budders cheders redears needers kiters fodders gaiters lauders weeders metiers codders redders adders rudders citers mudders tedders suiters titers wadders loaders waiters seders chowders shaders shudders
raider reader ridder rider arider braider grader trader