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.
tawnies townies tawneys tans tennies tunnies taenias townees toonies tunes tains dawns tynes towns tansy tones tines tennis tauons tenuis tenues danios tonnes tenias denies tannoys tuns dans tons tins tens dinghies tonus tunas deans downs dynes dunes dance denes toons dines tense teens tineas tenace donees teensy donsie dienes donnees dueness dunness tenuous
tawnies townies ponies meinies boonies bunnies loonies fewness funnies sanies fannies lunies sonnies denies peonies pawnees heinies ninnies toonies newness phonies beanies wanes whinnies wines sheenies bennies rawness lowness sawneys monies pinnies meanies goonies conies gunnies jennies genies hinnies johnnies townees minnies pennies zanies nowness tawneys nines tennies nannies tunnies weenies wienies shannies shinnies
taenia taeniae tawney tawny townie tan