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.
goodly godly gaudily goutily coddle cuddly caudally coitally
godly goodly beadily doily bawdily badly duly doyly dooly boodle loudly medley model muddily noodle needily piddly puddly redly ridley ruddily sadly deadly diddly dowdily tidily weedily shadily yodel oddly bodily headily odyl idly giddily cuddly dolly fiddly gaudily hotly lewdly madly modal moodily muddly nudely nodal poodle readily reedily rowdily rudely seedily diddley doodle tiddly waddly widely shoddily yodle
good goodie goody god goad gowd koodoo