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.
reflood refold refloat refiled refelled refilled refueled refuelled rifled reflet refelt reveled reflate raffled raveled reviled riffled ruffled ravelled revalued revealed revelled reavailed revolt rivaled
reflow refall refel refell refile refill reflew refly trefoil