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.
trews tres tress trows treys tores tyres trees tares tires tries trues tressy tories tarres tors tarries terries tars trays draws drees tours tarsi tyros torse dares torrs torso trice trois trass tears tahrs truss dress dries torsi tiros dures toros taros trace trios troys truce toras tiers terce torus terse drowse terais terras torahs duress dressy dories torous drowsy tierce torose triose diaries dearies dairies derries durries dowries terrace daresay yttrias dors drys trousseau
crews brews shrews trews res shores bores cores cares cowries herries diaries kerries cries serries ires wries areas meres morrows rows byres fries rees curries mares seeress harries farrows eyries rues brows raws presa haeres queries grees fores veeries heresy jerries cereus caries vires murries roes marries reis cures fairies phoresy frows peeress burrows furrows terries moires ureas narrows lyres purees sarees dowries tarries drees tries zaires tares heiress trues wearies wheres peres whirries wires chares chirres dairies chores yarrows duress sherries pores pries bourrees murres tires tories series ores gurries sires dries sorrows pares lores press berries grows paries cress soirees larees ferries quaeres tres rares zeroes dearies mures sirrees dress eyres ares perries pareos heroes boreas surreys fires caress crows nares mires quires brees lories grues durries faeries dories greys corries braws dares carries heres harrows gyres kyries hares bares marrows cires vireos furies quarries barres arrows fares lares braes prese hurries froes tarres aeries juries aures frees hires vrows buries pyres sores aureus borrows varies barrows craws gharries preys prows pareus serows bries gores lures draws hirees parries sauries tress trees ceres derries feres wherries nereis murreys dures curies sirees trows prees kauries wares whereas tyres peeries mores whores worries cherries choreas tores shares shires treys lorries seres yores
drew tare tire tore tree trey trow true tyre strew