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.
chorusses choruses charases chorizos sherrises
trusses chorusses ruses viruses cuirasses carouses caresses cresses harasses heiresses seeresses varuses karosses cruises prosses druses presses trasses peeresses frasses reuses choruses dresses arouses cereuses peruses grouses cruses grasses rouses wrasses crosses brisses morasses xeruses brasses ceruses drosses rearouses duresses prisses tresses uruses bruises grosses
chorus chirus choirs chores ichors