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