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.
chouser chooser choosier chaser choicer chasseur cheesier chaussure chicer
mouser houser chouser rouser douser user wowser hoser fusser tusser lousier cusser dowser dosser goosier osier nooser mousier mosser choosier doser looser pauser rosier rosery busier muser rooser cosier hosier chooser loser poser tosser causer nosier poseur poiser ser
chouse choushes chaos choose choosey choosy chose choughs chows chowse echos schuss