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.
cosey cosy cozey cosie cos goosey cooeys causey cows coos case coys coss cozy goose cause goosy cozie cooees cuisse gos coz kos goys caws kois goes keys goos cays goas cues casa koas cuss koss
hosey goosey mosey choosey cosey nosey ose nosy dowse souse lousy bouse noose dose roose poise choosy touse goose choose noise noisy moose poesy pose posy rose rouse dioecy douse tissuey whose lossy cosie chowse cooeys chouse looeys louse hoise goosy mossy zooey bousy posse cozey hooeys owse mousy rosy causey joeys chose sooey mouse mousey lowse nose loose cosy house lose bossy bowse fosse hose youse