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.
refereed referred reoffered refired refried revered revert
refereed feared niffered levered liveried veered afeared quivered beavered buffered syphered averred sphered differed cyphered wavered revered chauffeured referred shivareed overed fevered havered suffered louvered laveered livered goffered gauffered quavered coffered hovered covered hoovered severed deferred ciphered wafered reoffered chaffered freed chivareed offered shivered
refer referee reefer refire refry revere reverie revery rifer prefer