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.
reflet refelt refiled reflate refloat refelled refilled refueled refold rifled refuelled revolt rivulet riffled reveled reviled raffled reflood raveled ruffled ravelled revealed revelled revolute revalued reavailed revaluate reviolate reevaluate rivaled rivalled
leaflet reflet chevalet wavelet souffled rivulet riffled raffled piffled muffled coffled foveolet baffled valet flit violet fleet fled flat fillet filet refelt felt rifled ruffled waffled whiffled shuffled
reflew refly reflow rifle prefile irefully ireful ruefully rueful refill refuel refile refell refel refeel refall trefoil