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.
gaiters gaters goiters kiters caters gators coaters gutters gadders guitars goitres guiders goitrous quitters cateress quieters catteries gauderies cauteries cooters kidders cuatros quoters gaydars cotters quatres cutters couters cottiers catarrhs quittors coteries cauterize cadres coders codders cottars
biters citers baiters kiters loiters titers niters liters suiters writers goiters miters gaiters waiters puttiers cutters peters beaters hitters heteros tears noters butters cottiers maters hatters meters vetters haters looters potters pitiers heaters fitters pewters ciders souters couters mutters oaters eaters litres nutters footers caters gaters citrus getters ritters shatters tatters tetters rotters hauteurs daughters titters uterus toters knitters wetters whetters chatters shooters shutters dotters touters riders betters outers retears meteors hiders mitres quitters sitars chiders seaters voiders boaters suitors cooters dieters goitres nitres quoters rioters sitters hooters batters eiders steres setters guitars quieters matters knotters voters ratters neuters natters mooters metiers routers vetoers cotters guiders fetters meeters litters jitters gutters biders coaters nitros rooters raters powters auteurs tiers letters raiders otters patters lotters putters petters aiders reutters bitters utters jotters tidiers paters steers terse netters chitters totters tooters daters deters doters taters teeters pouters titres sheeters tuateras waters wheatears whitters cheaters shouters yatters