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.
barred bared burred birred barret bard bred berried board beard breed brede bored bread barde barrette bready buried barite baryte burd brad bird berretta bourride birretta bride brute broad beret buret braid brood boart berate byroad birdie broody borate burdie baryta boride hybrid beretta biretta burette burrito
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
barre barrow barrio bar brr brrr burry burrow burro burr birr borrow boar berry bear bare kbar