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.
mouse mousey mousse muse mousy meous moues mosey moose mus mos miaous moss moos muss moas mise mows meows mosso mossy masse mussy miaows mas mis mass mace mozo mesa masa maes mess mice miso maze maws meze mays mews miss
bouse louse touse house mouse youse souse douse chouse rouse use ose nausea cosie douce mousse moues cause bousy loose goosey ruse lose hosey choose moose reuse pious pose hoise rose noose dose noise choosey whose muse yous lowse cosey owse nose hose meous bowse nous nosey lousy guise fuse louis sous miaous poise dowse pause goose fusee fosse causey posse roues mousy roose mosey mousey chowse chose