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.
paris paries pars parries pariahs prise parse pears pares paras parrs priss pairs puris peris pries pareos pooris prissy pareus praise parous peeries purs pros perries press prose peers piers preys proas pyres prees prays prize pours proso pross pricy prase praus pores price purrs perse prosy prows prese praos pyros pursy purse peres hypers peruse pricey purees pursue porose porous peeress prossie prez
laris naris paris souaris saris ars frise pares hurries carries guars barrios jerries raias varies ferias reis bars herries fears paras hoars varias knaurs paries gharris cries fries parries varus hybris kerrias hoarse gears rerise bries feuars houris lairs ferries kerries serries fares maars dearies diaries vairs serais curios kauris norias orris morris faros braise loris fairs pairs derries terais tories trios perries yttrias wares durries wearies rears lories worries zoris charas charrs dowries cheerios tares shares shears sherris tarries tiaras pharos wherries berries puris gars gharries fairies tarsi sauries knars parse dares gaurs cris buries coarse farci lorries wries cerias nares harries bris boars prise kauries oars hears rares briss faeries noris pars cerise mairs lars cares arse rise cowries soars lears arias raise dories curries series juries parrs peris quarries praise curies cars dears veeries queries arris arise lares bares liars airs auris hairs hearse varas kyries hares carrs gnarrs nears haars fraise rias aeries kris caries mares rais mars furies sris brios bears corries iris tears marries sears reraise deairs peeries ears nereis fiars ares eyries pooris pries priss maras gnars vars murries gurries jars marse whirries dairies saros terries tries trois pears wairs wars tahrs wears roars carse derris chairs chares chars dries cherries taros sharias sherries shris tars years
pariah par sparrow spare spar puri peri pear parr parry pareu pareo pare parae para pair sparry