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.
wowsers wheezers whizzers
hawsers dowsers wowsers sers dousers geysers noosers causers cussers gassers kaisers housers lasers leasers tossers users passers hosiers pissers posers raisers reissuers roosers seisers dosers dossiers mousers chasers choosers hosers mossers misers pausers losers suers seres seers sears guessers hissers kissers lassoers issuers osiers masers poisers masseurs poseurs rasers risers rousers diseurs dossers teasers tussers fussers musers chasseurs chousers