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.
purdas purdahs pardahs prods pards prats prudes perdus prides prates parades parados parodos proteas perdues pirates periods protease parodies purities paradise ports parts proteus pyrites parrots peritus parties proteose pyritous protozoa parietes proettes pretties pierrots parities yperites
purdas murids lords cards queridas urds rods hards fords sciurids grads aortas guards redias rids giardias nerds hoards corridas gourdes bardes cruds shards hurds rads yards shreds chords weirdos tortas surds sards lards faradays words korats fards drats purdahs reds ordos jerids pards carats prats hairdos jurats merdes grids creds beards curds cords herds nards irids brads burds birds hordes gourds sarods fiords hardass boards turds kurtas cardias liards shairds bards jerrids farads frats perdus cairds pardahs girds nurds brats prods derats karats yairds weirds hybrids lairds rats sords hydrids wards chards sherds yirds
purda purdah spurred purred pureed pard pardah pardee pardi pardie pardy perdu perdie perdue perdy poured pride prod prude purity purty spurt