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.
deys dees dews dues days dies does dicey dioecy dis dos diss dose tews duce doze toys dahs duos dice dows dozy teas daws dace toes daze ties dais doss tees doozy deice douse toeas douce dowse dizzy disci daisy deuce tease wytes
beys hooeys joeys cooeys keys queys leys looeys deys wheys es