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.
caramel cormel carambola creamily crumble crumbly graymail grimly grimily grumble grumbly
tramel caramel ramal vermeil cormel ceramal hydromel tramell trammel
caramba cram carom crambe crambo cream creamy scram