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.
rhyton ratoon ratton rattoon ratan rutin redon radon rattan retune retine ratine retain ratten rotten redone retene retina ratteen retinae retinue routine written reattain
phyton rhyton cyton ton town toon tony phytin tone jetton mutton mouton atone cottony piton ratoon rattoon baton stone duotone newton ketone button photon bouton beton betony buttony futon phaeton atony ratton jeton cotton muton muttony niton puton seton stony chiton