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.
quezal queasily casual causal gauzily casually causally
quezal seal zeal zoeal bezel bezil phaseal jezail reseal
queasy queazy queues queys quiz aqueous squeeze