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.
noisily nosily nicely nasally nasal nozzle
noisily queasily wisely rosily nosily mussily mousily mislay messily lousily silly bossily cosily juicily icily fussily easily busily gassily paisley sassily cheesily sly
nisi nisei noise noisy nonissue nos