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.
terse tears terce torse tiers terais triose tierce terras torose terrace tars terries tres tors tyros truss druse tires trass tarsi torso troys tress deers torsi tiros trews trees torus tries dears trows trues tares treys trays toros trois toras tahrs doers tores tours taros torrs trios tyres trousseau derays tressy tarres torous tories torahs drowse deairs derris dearies derries hydrase tarries yttrias terrazzo dors drys
verse perse terse ers carse gyrase phrase grease fierce burse heres bears haeres eros morse erase verso prise hers biers kersey cruse quaeres cirrose errs zeros deers druse goers sers rears frise ceres piers corse jeers leers eras ceros shoers beers queuers tiers torse liers urease seers wears wheres worse purse cheers sheers meres coerce parse fears hearse brose suers tears peers crease hoers peris horsey prase peruse veers rerose birse lears arise ruse reuse heros viers kiers keirs course morose hears peres arse bourse lehrs creese hoarse queers pursue curse arose cooers rise coarse gorse rose nurse jersey rase heirs bursae nears ears feres erose gyrose resew porose doers resee xerus pears gears prose marse foresee sears hypers cerise horse rerise ruers prese pierce urase shiers terce ceruse tierce torose seres hydrase sieurs ursae weirs wooers dears cheeros shears years
tear teary terai terra terrae terry tier stere stereo tetra tetri uteri