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.
measles massless masalas mislies mueslis myceles micelles missiles misallies mislays mizzles muzzles micells missals missels mussels
measles hassles resales pusslies pusleys passless missiles newsless lossless massless lisles quezales gasless isles teazles wrassles tussles resoles easels sales mislies rissoles resiles rassles pussleys posoles nasals paisleys basils slews sloes slues soles aisles tousles teasels weasels
measle measly masala mesally muesli