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.
tiers tries tiros tears tires terse tories tierce terais terras tres tarries terries tars tors trois deers taros toras truss tyros trice trews terce trios tares tress trees troys trass torus toros tyres tahrs dears torso tarsi torrs trues tores torse tours doers trays torsi dries trows treys torous torahs derays dories derris deairs triose tressy tarres dearies diaries terrace durries dairies dowries derries yttrias terrazzo dors drys
biers piers viers tiers shiers liers kiers ers virus vairs hears cooers curies juries coirs hurries haeres xerus cowries hires meres kirs verse murries paries hairs ears biros fiars jerries nairas furies harries liras zaires dories mirs cires firs sauries ferries keirs buries deers lehrs berries peers queries parries perse tries beers cheeros weirs wherries whirrs dairies dries series wires sheers cherries seers terries chirrs ceros choirs bears shirrs dearies years wearies worries veers diaries lairs kerries tiros suers pries moires ires aeries lears mairs liars nairus leers airs birrs pears feres guiros tarries sers marries carries durries errs fears perries eras kauries goers seres serries bries pairs noirs heres sears ruers shears dears gears veeries peeries jeers heirs peris cries lories heros fairies herries hoers mbiras sherries fires fairs quaeres lorries curries eyries fries verso nears hers hypers giros iris sires rears mires vires wairs tories zeros gharries varies eros birse wries quarries caries quires kyries ceres deairs corries gurries faeries queers queuers chairs sieurs wears wheres whirries whirs tears derries doers sirs tires cheers chiros terse chirus peres shires wooers shoers dowries yirrs
tier stere titre titer tetri tetra stir stereo tiro tear tire terry terrae terra terai teary uteri