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.
tahrs tars tares tears tarsi taros torahs tarres tors tres tarries tyros trios troys trois truss tours dears toros torso trays tiros tores treys torrs tiers toras tyres trews dares trues tires trows tress trass terse tries torsi torse trees torus tressy tories torous torose triose terais hydros terras deairs hydrous dearies dairies terries diaries daresay dourahs yttrias dors drys
tahrs ars arse hoorahs bars knars jars hearse pars carse haars guars boars liars surahs sears lars hares vars hurrahs bears airs bares gnarrs carrs lares gars maars lehrs vairs pears tiaras shears tars shares charrs mars charas whirs deairs wars wairs tears pharaohs pares tares maras rears dourahs nears saris soars nares paris pairs gerahs saros hoars fares cars hears gnars mares paras fairs coarse jarrahs lairs gears fears parrs feuars hers dears cares hoarse lears faros varus pharos ears marse gaurs horahs varas hairs buhrs rares dares fiars naris parse pariahs oars sirrahs laris souaris taros knaurs torahs mairs wares wears roars chairs chares ares chars shariahs tarsi shris years
tahr tar tare taro tarre tarry tear teary star stare starry