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.
rousers roosers roseries risers rasers raisers rozzers rosaries reissuers racers razers razors ricers resource rasures rezeros
causers housers pausers users chousers rousers musers dousers mousers sers misers kaisers dossers saucers hosers guessers dosers noosers poseurs kissers pissers diseurs hissers osiers mossers sears seres lassoers dowsers dossiers chasers issuers choosers losers geysers seers suers fussers teasers hawsers hosiers masers risers cussers roosers seisers poisers tossers masseurs leasers lasers posers gassers passers rasers reissuers raisers wowsers chasseurs tussers
rouser rooser rosery rosier arouser grouser proser drosera trouser