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.
tango tang tanga dang tung tank tong ting tonga tanka dingo tongue tannic tieing tanuki toeing teeing wyting dank ding dong dung
quango tango mango congou pang mungo lang liang manga congo mongo pengo chang lingo kiang rang sang dang tang hang jingo anga baaing vang lanugo mongoe gang banco fang bongo bingo bang fanga fungo tanga nonego panga pingo wrang sanga dingo whang yang
tan taenia taeniae tain tannoy tawney tawny stane