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.
greenery greener greenier careener garner grinner groaner granary grainer grainier corner kroner cornier coroner crooner crowner coronary kronor kronur
greenery barrener fernery careener greener greenier ornery preener serener turnery warrener