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.
coyly coly coaly cooly colly col coolly cloy coal cola coil cool cole cowl coala cully golly gayly coolie collie coulee clay kola cull koel goal gaol claw clue call caul calo kohl clew kolo
coyly doyly holly folly feyly golly lowly moly holy wryly poly dolly doyley hooly dooly waylay woolly shoaly noily doily boyla gayly jowly coaly colly coly coolly cooly jolly lolly molly knolly oily roily hoyle wholly wooly shyly