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.
bogan began bacon begun beacon beckon begone beigne biggin bygone begonia beguine
hogan bogan logan gan gain wigan gane pagan gaun logon coign gaen lagan again cogon ligan guan began nagana koan regain vegan shogun