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.
scuds scuts scads scouts squids scutes squads sickouts scats scots sects skids cycads scatts scoots squats skidoos sockets scotties skiddoos
cuds scuds squads quads nicads cods cuts gauds gudes guids cads kudos recuts quods kudus equids ictus cactus liquids rectus rictus scads quids cycads scuts squids
scud scudi scudo scad scout scut scuta scute escudo