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