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.
pewters peters petters powters paters putters patters petrous pitiers potters pouters powders poetries puttiers potteries pedros padders padres
pewters powters caters vetters neuters puttiers quieters biters quoters cooters hooters haters pouters butters tears gaters eaters bitters footers noters loiters reutters liters oaters outers knitters fitters fetters cottiers boaters petters jitters heteros writers hauteurs touters shutters toters shooters shatters tetters chitters chatters tatters whetters wetters dieters waiters uterus ritters meteors pitiers titters ratters lotters seaters matters rotters dotters metiers daughters getters steers suiters cutters sitters natters mooters goiters terse couters potters peters coaters meeters looters tiers gutters knotters heaters retears betters gaiters meters mutters routers patters quitters miters hatters voters maters netters litters baiters jotters putters cotters letters beaters hitters kiters auteurs batters setters niters steres souters powders daters vetoers doters rooters nutters citers otters raters titers paters totters rioters tuateras utters deters waters wheatears taters whitters cheaters teeters chowders sheeters tooters shouters yatters