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