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.
crewless careless coreless cureless carless creoles crawls carles creels curlews carrels carrells carioles creolize creolise carls curls carrioles carols corals craals growls gruels grilles corrals carolus corollas criollos quarrels gorals graals grails grills kraals krills
browless crewless arrowless juryless airless rayless careless coreless braless peerless cureless tearless trailless treeless weariless cheerless barless berryless earless furless fearless gearless oarless carless doorless fireless tireless ireless trawleys hairless warless heirless wireless shoreless
crawl crawly creel creole cruel cruelly