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.
reefier reefer reifier refer refire reiver reoffer reverie refry rifer river riever roofer reaver revery revere riviera riviere raver rover referee rougher
beefier reefier defier chiefer deifier daffier reifier deffer deafer reiver refire goofier fifer fiver heifer huffier iffier defer kefir leafier levier liefer miffier reefer buffier puffier refer fiery chaffier chuffier fer fir