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.
trues tres treys tires truce tares tries trees trews tores torus truss tress tyres tarres torous tressy tories tors tarries tars terries drees dress torsi toras trois taros dries tyros torse terce torso tears trass trios trows trace tahrs torrs dares tiros troys druse toros tiers tours trays terse trice tarsi dures trousseau tierce terais duress torahs terras triose dories dressy torose daresay hydrous dairies terrace dearies diaries durries derries dowries yttrias dors drys
grues rues trues res gores hires bares kauries lures caress vireos ceruse meres virus bores mures fores cruse quires tarres diaries preys nereis caries sorus varus juries tress fairies cries eyres heresy buries fries treys tores cereus moires herries barres prees peeress duress brews cirrous dairies hares serries pareus murreys lories aureus mares quaeres furies ires cress aures ferrous ureas sires nairus hydrous dearies ruers truss zaires pareos wares whereas parous queries wherries whores worries cherries terries chirus chores shares shires prese shrews sarees truce surreys trees peres greys braes peruse purees dowries torous berries carries eyries porous corries gurries curies lares series druse feres seeress soirees heiress kurus phoresy aurous pyres presa dress ferries nares cerous perries hirees kerries haeres gyres heroes cures gharries press cares murres reis mores bourrees ares roues cores harries pores lores ceres vires crus dories boreas bries crews lorries grees varies gyrus gurus cirrus curries pries paries faeries veeries froes seres sauries larees rees fires hurries brees queuers lyres aeries quarries marries ores serous sirees tarries pares zeroes murries trews rares heres fares ruse suers tires parries dares dures sores roes cowries pursue praus byres tares jerries wries frees dries xerus cires tyres torus drees tries durries tories areas tres mires urus wearies derries sirrees wheres whirries wires chares peeries chirres choreas chorus sherries kyries shores yores
true tare tire tore tree trey tyre ruder rudery strew