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.
kalian kaolin kaoline callan cauline gallein kiln clan clean cline colin glean galena gallon cullion galleon galloon guyline
aeolian eolian kalian lin blini cullion elan blin line milline blawn mullein billion callan pillion kaoline violin lain malign aloin glean olein cline align llano lion jawline solion yeelin plan hyalin ulan loan towline tolan reline zillion lino loin silane solan lien salina villain ralline liny moline alane flan liana liane feline lawn villein mullion paulin moulin lallan maline guyline kaolin gallein clean elain valine blain lane bullion linn alien beeline alan aline cauline bowline lean hellion million colin plane eloin reloan clan slain saline byline solano xylan realign talion tolane jillion uhlan choline plain hyaline yulan