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.
dariole drill drily triol drail drool droll drolly drooly dearly derail trolley tearily dirl hydrilla drawl dural trail trial trill dryly troll direly dourly drawly trolly trawley
cariole dariole variole carriole oriole role rile virile parole rille pyrrole areole prole girolle variola grille riley parolee puerile creole zorille aureole triol