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.
dicambas digammas digamies digamous dogmas degames degamis degums
gambas dicambas digammas macumbas jicamas agmas agamas goombays goombahs gambs gambias gammas gambes gamays gamas cumbias camass magmas camas chacmas