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.
quinoa quin quoin guinea kina kino kuna guano quean queen guanay gun kin
quinoa anoa china tinea pinna piano fino vina vino inia genoa guinea kina kino liana lino mina minae nona hyponoia pina dino wino chino