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.
cabal cabala cabbala cable cabbalah kabala qabala kabbala qabalah kabbalah coble gable cobble gabble cowbell gabelle
sabal cabal bal ably cabbala suably seeable liable babel label viably tibial kabbala gable viable fable bubale bubal babul tabla ball able labial lowball suable sable pibal bawl robalo cable kabala bale cabala baal bail qabala doable table tubal