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.
lyses lysis loses lases leses looses losses lyssas lasses lycees leases louses lassoes lassies lessees liaises loesses lusus luces lazes laces lassis lassos lazies lezzes laicise lezzies luscious
physes lyses asses coses fosses fyces sees leses mises liaises guesses quasses buses feases fuses jesses gussies hawses hissies oses hoses niseis hussies vases esses pases reassess peises cases nooses kneesies bouses lasses issues muses poesies seis masses busses baases sews assess sues looses basses sasses easies rouses tusses douses tasses posses pusses cesses resees wises tawses wusses doses sisses chaises chases chausses chesses nouses chooses chouses yeses reuses souses mouses poses poussies seises dieses fasces pauses missies tissues touses raises gases rooses nesses cuisses gneisses syces daisies wrasses lassoes messes losses vises isseis bosses reissues pisses kisses noses nauseas loesses fusses houses passes musses biases meioses busies bowses loses gausses fusees causes gooses poises cusses guises fesses cosies seas lessees eses gessoes lassies misses eases phases bases bises lases gasses hisses josses biasses beses paseos physis noises sassies hoises ruses mousses puses sises disses lysis peases mosses tosses tussehs posies rases roses newsies louses gnoses daises dassies ceases bossies mioses leases susses dosses rises dowses tassies possess pussies cissies resews wisses teases uses wussies sissies chaoses chasses cheeses chiauses oases choses chowses yesses
lyse lase lays leys lose lycea lycee lyssa else