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.
dance dunce dans denes dawns dynes dense dines deans dunes dienes donees donsie denies danios tenace donnees dunness dueness tawneys tawnies deionize dinghies dens dins dons duns tans
fiance seance chance dance nance hance rance nuance lance kanes manes hence quince hanse lanes menace ponce lianes panes whence fancy nancy janes canes pinnace pounce sanes nonce fiancee chancy wincey wince once launce since tenace bounce jaunce banes nice fanes faience panacea fence vanes manse ounce jounce pence mince dunce wanes science anes yince