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.
dowse dose dows douse dos duos dews doss daws tows does doze touse tawse douce doozie dassie doughs dioecy dis dues daze dahs toss deys tews taws taos dace dies toes dees dais diss dice dozy days duce toys
bowse owse dowse chowse lowse ose hose meows house chouse bouse fosse cows miaows dose poise cosie cosey hoise nose wise posse powwows rose rows sows douse nosey noise touse whose wows choosey hosey youse noose shows lows mouse goosey jows hawse vows lose dows gawsie bows knows goose chows loose louse nows newsie choose hows mosey moose bowwows pose pows roose rouse souse tawse tows mows chose yows