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.
refeel refel refell refuel revel refly reflow rifely reflew reveal refill refile refall rueful reveille ruefully ravel revile ruffly ravelly reavail revalue
refeel feel duffel defuel rifely revel refuel refell refel level biofuel kevel bevel befell fuel flee fell feal safely devel wifely
ref reef reefy reeve reif reify rife rereview tref trefah