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.
sarees sirees soirees sauries sirrees sires seers seres sears saris soars saros sores zaires series seeress serries souaris surreys sris sers sirs sours sorus soras suers suras cires ceres serais sirras surras cereus serows source serous surahs sieurs zeroes serious serosae sierras sirrahs sorrows
rees brees sirrees soirees frees drees prees sarees grees larees trees sirees purees hirees bourrees res crews cares buries pores varies fairies cures peeress ferries roes vires heroes furies caress grues peres beers lories haeres vireos cires creese hurries mores aureus tires tarries kauries feres leers kyries herries queries ceres pries dries fries prese nereis sauries fires pyres pares curies quarries trews sores derries tyres murries tares series wherries duress press whores worries cheers chirres zaires chores tories sheers shires shrews tries tres seers pareus curries seres lyres pareos jeers queers peeries dowries whereas lures wares greys dares wries marries perries caries berries dearies dories heres hares aures quires fares lores faeries serries terries peers brews surreys bries byres carries moires harries ores mires bares ires seeress veeries meres heiress deers ares veers boreas eyres froes gharries cores juries aeries lares corries parries reis areas rues gores gyres cowries murres kerries gurries sires braes dairies eyries barres dures bores presa paries zeroes quaeres wheres jerries lorries murreys mures nares fores phoresy mares hires cries rares wearies tress wires trues diaries cress ureas dress tarres tores whirries cereus treys durries chares cherries choreas preys shares heresy sherries shores yores
saree sari saury sear sere sire siree soar sore sure osar tsar