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.
seaters setters satyrs seders steers steres seeders sataras stereos sitters suiters satires souters satoris stars stirs sautoirs hysterias citers stroys stairs sitars stours ceders cedars strows suitors satirize sutras stares strews ciders stores strays cyders stress sudors strass straws siddurs storeys stories stoures sutures
beaters boaters daters haters cheaters maters coaters oaters waters paters seaters heaters gaters taters raters caters eaters vetoers matres hooters knotters batters bitters cooters quitters meters beaders loiters liters puttiers cottiers peters suiters retears cutters matters headers couters loaders jotters steers getters niters reutters quoters hatters noters putters quatres pitiers dotters shutters shooters shatters chitters chatters whetters wetters utters tuateras totters tooters titers teeters hauteurs dieters litters petters cotters rioters laders tears potters kneaders rooters sitters fitters citers waiters leaders looters daughters routers readers pewters voters auteurs setters fetters viators steres quieters powters biters mooters letters pouters outers gaiters meteors gators nutters miters hitters vetters neuters gutters heteros faders goiters betters footers terse otters butters baiters kiters deters ratters meeters ritters rotters mutters jitters lotters patters writers cuatros netters souters satyrs hetaeras metiers doters natters tatars tatters tetters titters toters touters uterus waders knitters wheatears whitters tiers shaders sheeters shouters yatters