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.
newly nelly noel kneel knell noily niello nielli nellie knolly nil nail nala nill noil nolo null
newly kelly wily waly delly seely relay rawly nelly mewl mealy lowly jowly belay jelly vealy feyly felly eely belly rely delay telly welly shelly