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.
tussehs tusses tussahs tussis tasses tosses tassies tissues tawses touses dosses disses teases dassies disseise disseisee doses daises dieses disuse douses dowses disease diseuse
tussehs kisses sisses masses fusses hissies lasses lassoes susses musses mosses pisses fosses gasses jesses pusses possess wrasses wusses asses cuisses chesses chasses tusses cissies issues sassies hisses tussahs guesses isseis hussies disses loesses tasses misses tissues reassess nesses passes assess reissues poussies pussies josses gausses esses posses mousses dassies quasses lessees lassies bosses busses messes sissies cesses gneisses wussies gussies tosses missies tassies losses dosses biasses basses fesses cusses bossies sises gessoes sasses wisses chausses yesses