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.
lessees loesses leses losses leases lasses lassis lyssas lassos lycees lezzes lezzies lazes lysis lusus lases luces lyses loses laces lazies looses louses laicise lassies lassoes liaises
lessees sees fosses masses lassies loesses hisses hissies hussies gasses issues dosses misses fusses guesses kisses lasses lassoes cesses sissies cuisses musses chesses nesses chasses wusses pusses tusses tosses tassies sises possess pisses dassies reassess mosses resees sasses jesses fesses fusees bosses cusses josses gessoes isseis quasses messes disses assess sisses bossies busses asses esses gussies losses gausses wrasses basses biasses sassies cissies reissues missies pussies susses passes posses tasses mousses tissues tussehs poussies wisses wussies gneisses chausses yesses
lessee less lease loess bless les