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.
bullion billion bouillon ballon billon blin balloon belon blini blown blain ballonne byline baloney beeline boloney bowline blawn baleen blenny
billion pillion bullion million cullion jillion mullion zillion hellion lion mullein talion galleon solion ballon villain bouillon ralline billon galloon balloon gallon gallein villein milline shalloon lin
bull billie boulle bulla bullae bully abulia