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.
bouse bousy bowse bus bos boughs boas bows buss boos buys base bios bise busy boss boys beaus bossy booze buoys bis bys bowwows bas bes bioassay bays bias bozo bice bass baas bize bees buzz beys
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