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.
byssus bassos basses busses bosses biasses bossies bases basis bises buses beses baases biases bouses bowses busies
byssus passus missus jesses tosses massas guesses sues misuse missis quasses cusses issues casus basses messes loesses bassos gasses tasses lusus reissues gneisses chesses chassis cuisses wusses tussis mousses lassis susses nisus disuse asses suss posses wrasses sasses koussos lyssas josses chasses fosses lasses sous kisses tusses risus lassos fesses sisses cesses dosses disses fossas esses pusses hisses pisses misses cussos passes nesses musses mosses biasses busses cassis gausses chausses masses fusses kussos losses bosses tissues wisses yesses
byssi bys bass bassi basso bassy bays beys boss bossy boys buss buys abys abyss