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.
gauzily gassily cozily guzzle gazelle casually causally queasily casual causal cosily
gauzily lazily wheezily dizzily saucily oozily muzzily mousily mazily lousily cozily boozily jazzily hazily fuzzily fuzil busily dozily woozily