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