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.
ritualize rituals retallies reutilize ratals ruddles raddles radials rattles retiles redials riddles ridleys rootles rutiles roadless rootless rotls
mutualize dualize ritualize feudalize vitalize idealize metalize metallize totalize