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.
townees townies tones towns donees tonnes tons tawneys toonies tawnies donnees downs teens toons tynes tonus tonneaus tines tunes tauons tineas tenues teensy tunnies tennies tuns tins tans tens dons tense dynes donsy dines dawns dunes tunas tansy donas denes tains dienes tennis donsie denies tenias tenuis donnas tenace dueness dunness taenias tannoys tenuous
townees pawnees weens townies tawnies tawneys donnees donees sawneys rawness ranees nowness newness nenes lowness fewness knees wanes wines
townee town tone tawney toney tonne tonneau townie towny atone stone stoney ton