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.
odeon oaten
odeon den don chidden deaden duodena sadden sodden redeny redone codein radon codon deny bidden widen showdown madden louden leaden guidon fadein beton hoedown hidden voudon vodoun phaeton midden hoyden deni lowdown laden jeton adown coden godown dene dean voudoun hodden done hoiden loden maiden dona down redden redon ridden seton sudden dudeen udon wooden shodden hyoidean