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.
frise fraise frisee fries ferias furies farcie frieze firs faeries furs furioso ferries foresee friz furious fairies pharisee frees froes furze fears frays frizz faros frass fairs farci fores force fires farce fares verse feres froze fours fiars frows frowsy freeze varias fierce phrase forays varies feuars frizzy farrows ferrous foresaw furrows gharris various veeries ferreous gharries vars
arise cerise rerise prise frise rise hybris prese bruise gharris morose corse arse ferias arose course paries hurries cowries nereis ferries herries iris marse farcie wries gyrase puris barrios pooris bursae prize birse arris ruse prose quarries curios dories peeries eyries aeries carries lorries frisee pries saris kauris porose derris souaris durries terries priss parse tories series dearies orris triose yttrias zoris morse ursae wherries worries reraise cheerios dries sharias sherris tarries torse brios cirrose norias loris laris rerose nurse hoarse faeries varies marries tries gorse purse verse bris curse raise perse sauries kris coarse rias briss price burse morris veeries erose ariose kyries kersey fraise diaries peris fairies houris cris gyrose naris furies prase horsey brose carse queries derries corries pharisee harries cruise rase kauries berries bries pursue paris curies rose auris buries erase phrase praise juries kerries cruse curries serries jersey cries perries cerias parries orrice arias bourse varias fries trice hearse gurries rais jerries gharries rice braise lories horse noris ceruse torose druse trois terais reis murries terse serais dairies peruse trios sris hydrase kerrias urase wearies whirries caries worse dowries cherries sherries shris