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.
rivulet rivaled rivalled revolt rifled reflet reviled reveled ruffled refiled riffled raveled revealed revolute revelled refueled refilled revalued ravelled reviolate revaluate reavailed refuelled reevaluate refelt raffled reflate refloat
rivulet valet vault wavelet chevalet