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.
rosily racily resail resile roselle roseola rosolio reassail rassle resale reseal resell resole rissole wrassle
busily messily lousily nosily mousily easily noisily fussily cheesily bossily queasily rosily mussily cosily sassily gassily sly slay boozily fusile silo assoil sill fossil fuzzily deasil muzzily lazily missile pussley loessial scissile saucily mislay sessile dozily icily wassail lacily wheezily silly woozily resile wisely jazzily sail hazily loosely bassly fusil measly basil mazily cozily pussly paisley piously soil fissile basely reassail oozily pusley gauzily assail dossil resail weasely juicily racily dizzily tahsil
roes brose drossy prosy pross prose gross crosse cross erose eros brosy bros roose arose rows rousseau rouse rosy rose pros proso prossie dross trois