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.
tommies tammies tummies tomes toms dummies domes tamis tombs tames times demies tumesce tomboys tams doms dames teams demes dimes doums dooms teems demise doumas duomos daimios timeous
gimmies jemmies immies cammies tammies tummies shimmies jimmies pommies shammies commies chammies jammies whammies mommies mammies yummies tommies dummies rummies mummies zombies mamies lambies shammes ramies femmes amies demies mammeys gimmes momes memes homies roomies mimes mammees mis