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.
bilobate bilabiate bilobed blobbed bullbat bluebeat bulbed blabbed blubbed
lobate bilobate globate labiate bilabiate kilobyte celibate chalybeate
blob bilbo bilboa bilby blowby