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.
junto jaunt junta jaunty janty joint gentoo jennet gent
junto punto unto gaunt cunt punt finito bunt bounty bento bonito mount canto quant unit manito lento lunt punty runty santo daunt tanto tenuto chaunt junta panto aunt vaunty pinto onto aunty jaunty conto vaunt gentoo jaunt hunt into lunet quint county fount runt cento suint dunt taunt undo haunt count shunt