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.
fluorite fluoride fluorid floruit flurried floret florid floured floored flirt flared flirty fleered velured filariid fullered valerate
fluorite chlorite floruit fluoride gloried meliorate millerite pilloried dolerite tellurite chlorate chloride
fluor fleury floor flora florae flour floury flurry