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.
rubbered rubboard rebred rebored
gibbered rubbered fibered tabered yabbered sobered sabered jabbered bred bared showbread rebred tabored lowbred debeard breed sowbread beebread brede bread rebreed sabred labored rebored shewbread beard beret subbreed bored
rubber rubbery ribber robber robbery rubier grubber grubbier drubber