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.
alien alienee align aline aloin alan alane alone
lien alien lin eloin aeolian villein poleyn mullen jillion valine colin line beeline blini plena lain clean linn fallen blain lean bullion moulin malign hellion gallein hyaline choline salina woolen talion ralline xylene solion sileni pillion olein reline kaolin melena cullion million guyline glean leno lino liny galleon glen pollen moline cauline slain mullein relleno woollen loin galena jawline milline mullion eolian cline plain paulin lion kalian aloin zillion maline blin align bowline aline byline baleen kaoline colleen feline hyalin billion villain violin elain pleon realign saline sullen towline yeelin
ale aalii alae alee allee alley aloe