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.
cusso cuss kusso cuisse kousso cues coss guess quass cause gauss gussy gussie causey cassia cos quassia coz caws coys cows coos casa cozy guys kiss koss case kues cays cosy
cusso kousso kusso wuss pussy mussy mousse basso buss fuss fussy hussy gesso cuss lasso mosso gauss muss guess puss gussy suss quass wussy