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.
brownie brown byrnie browny burnie baronne boron brine baron brawn borne barony bourne borane barney briony brawny biriani bren bran brin born burn barn barny brain bairn briny bourn bruin buran burin barren boreen brainy branny