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.
parred parried pared purred paired pard pardy pored preed pardi pried parrot pureed parade pardie pardah peered pardee parody poured parroty parodoi part prod priedieu perdy perdu peart pride prude proud party prate pretty pyrite period perdie protei parity pirate perdue pierrot proette yperite
birred shirred barred curred chirred garred erred jarred warred whirred yirred charred tarred burred marred furred knarred churred purred gnarred parred red pared fried redo oared moored lured gyred ferret queried geared neared berried bared breed mired juried caried wared poured foredo soured varied redd horrid reared soared jeered roared tared dread sired deaired bread cored garret tread tried turret uredo teredo wearied worried brede cheered choired dried pureed shred tiaraed torrid whored greed pried seared hared creed jerreed buried credo pored sheared dared chared tarried feared hired ired queered eared leered jerrid aired terret parried faired heired preed wried peered dreed carried ferried dured paired laired freed sored zeroed fared rede bored mured harried quired herried fired bred curried barret veered cried rued cured serried quarried haired aeried cared jereed cred married rared cered teared gored sered loured nereid hurried tiered read sheered waired chored reed reread chaired wired whirried wherried oread shored tyred trued treed toured tired shrewd shared
parry parr par pear sparrow spare spar purr perry pareu pariah pareo pare parae para pair sparry