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.
drools drolls dirls darioles doorless drills hydrolase trolls drawls triols drails troilus derails trolleys trollies tirls hydrillas hydrolyze trails trills trials trawls trulls torulas trellis tearless tireless trawleys treeless
drools variolas pyrrols pyrolas proles parols nerolis orioles carrioles creoles carolus carols carioles varioles triols drolls whorls ceorls reoils roils growls darioles rerolls pyrroles prowls payrolls nerols paroles aureoles roles rolls areolas areoles aureolas trolls broils shorls