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.
pleads pleiads pleiades plaids pleats plods plats payloads playdays plateaus platys palets plates palladous plaits pallets pellets pullets pluteus palates platies pelites pelotas piolets pollutes ploidies polities plotties palettes plots pelts palletise palliates pelletise politesse pallettes paillettes pilots poults poultice pullouts
leads deleads pleads coleads elds wields sleds toledos bleeds bields pleats galateas ballades cleats elodeas velds wealds shields chields geladas clades pleiads glades gledes gleeds miladis naleds payloads plateaus bleats clads oeillades ballads balds galletas welds muletas teledus roulades gleds glads loads leuds lauds gelds fields chiliads tuladis woalds lads melds belauds plaids iliads lades blades pleiades reloads salads daledhs yields
plead pleat puled plied pled paleate paled palet palette pealed pileate plaid palate plait plat plate plateau platy playday piled pleiad poled splat