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.
brocket bracket brooked bricked brocade brookite bract barracked braked burked borked barked briquet beraked bearcat burgout burkite breakout barquette barricade briquette barracouta bragged brigade
brocket rocket crocket racket rackety rickety rocked bracket frocked cricket crocked parroket pricket trocked
brock brick bricky broke brook brookie