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.
charleys charlies chorales churls cheerless chorals shoreless shorls shrills
barleys burleys charleys parleys hurleys orles hourlies ferlies peerless earless oarless ferules hairless birles trolleys girlies carless fearless hurlies furless farles ferrules whirlies charlies chorales merles rales gearless proles doorless arles carles paroles parlays heirless parles warless tearless pyrroles curlews trawleys barless riles roles rules airless morales cheerless yearlies