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.
paulin plain paulownia pillion plan pollinia pelon plane pleon pylon poleyn pollen
moulin paulin lin valine olein byline beeline cullion lain bullion line lino liny linn jillion kaolin blin malign reline villein pillion yeelin eolian milline elain moline mullein lien hyalin ralline saline solion talion ulan choline hellion guyline bowline plain aloin align aline gallein feline billion cline violin salina realign zillion slain ulna towline jawline hyaline aeolian colin villain mullion lion alien blini million maline shuln eloin blain kaoline kalian loin cauline yulan
pal pul spale papulae opal pull pule pula pial peal pawl paly pallia pally pall paleae palea pale pail paella puli pulley papula papule spall