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.
morelle morello morel morale morally moral merle merely morula morulae marl merl marly mural merrily
morelle rille areole aureole girolle carrell creole grille morello zorille terrella