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.
etamin etamine etymon eudaemon eudaimon eudemon
diamin etamin vitamin etamine stamen bedamn putamen ataman ptomain tamein goddamn vitamine domine domino domaine domain diamine damn daman ketamine ptomaine putamina stamina