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.
braider broider broader broidery brattier border birder boarder bruiter breeder brooder broodier barrater brighter bordereau barter bordure barrator barratry barretor barretry
braider raider weirder treader torrider parader lowrider guarder grader joyrider horrider hoarder harder forrader broidery broider boarder broader birder arider rider ridder readier reader girder carder gridder larder marauder derider trader warder yarder
braid brad boride bread bready bride broad abrade