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.
navaid naevoid nevoid knifed naffed nighed naivete naivety navette neighed
navaid vid chivied divvied devoid pavid nevoid naevoid livid levied couvade ivied evade vivid bovid avoid avid void vied vide ovoid savvied divide chevied chivvied
knave naevi naive nave navvy navy nova novae