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.
billeter bleater balloter bolter belter balladeer blatter builder bleeder blotter bloater blighter balder blader bolder bladder boulder bowlder balladry bladdery bloodier blottier bouldery
billeter bolter milter maltier molter gleetier kelter coulter pelter muleteer pleater jilter joltier vaultier realter halter polluter reletter fluter saltier fleeter siltier philter sleetier faultier dilater falter tilter filter welter kilter elater bleater poulter quilter miltier melter moulter guiltier killdeer gauleiter plater palter politer jolter colter violater relater later haltere salter letter saluter liter slater vaulter zoolater balloter diluter belter toiletry alter shelter
billed billet bailed balled ballet belled boiled bolled bulled bullet