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