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.
florin fluorin fluorine filarian fluorene fleuron valerian fullerene
fluorin florin chlorin valerian tellurion tellurian silurian pelorian pelerine clarion malarian larine fluorine filarian ballerina lorn loran chlorine
flora florae flare flir floor flour floury fluor flurry