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.
chooser choosier chouser chaser choicer chasseur cheesier chicer chaussure
nooser chooser rooser looser choosier tosser mouser wowser dowser dosser doozer rosier goosier poseur poiser osier nosier mosser loser cosier houser hosier hoser boozer zooier rosery rouser doser poser douser chouser ser
choose choosey choosy chaos chose chouse chows chowse shoos echos whooshes choushes