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.
parados parodos parades pards paradise pardahs parrots parts prats prods parodies perdus prudes prates prides parties proteus pirates periods perdues proteose proettes pyritous pierrots parities parietes ports priedieus pirouettes purdas peritus produce proteas purdahs pyrites
parados dorados rads tirades treads breads parades dreads rereads farads reredos oreads weirdos parodos ordos fordoes marauds grads credos irades frauds uredos braids byroads roadeos redos raids broads gradus grades corrades hairdos roads brads ratos radios myriads reads teredos trades triads weirdoes charades
parade pard pardah pardee pardi pardie pardy pared parodoi parody