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.
perdie pardie perdue yperite peridia perdy pried perdu pardi priedieu pardee peered period periti parodoi parried prod pert pard pared purda proud pored pardy peart preed poured pardah protei paired parred parity purdah pureed purity purred parody pierrot proette
birdie perdie weirdie pardie burdie yperite serried bourride wearied barde pried erode harried rite herried pardi wried juried perdue berried hurried dried parried joyrode ferried varied aeried cardia shortie cardio worried wherried trite deride cerite prude giardia brede buried carried tarried corrode curried boride gourde gride queried merde rode trade hayride rewrite rediae quarried hydride priedieu horde ferrite sortie tried roadie ride barite grade verite fried cardiae pride trode irade crude tirade parade crowdie rude joyride pardee norite married rede bride cowrite gardai write curite caried corrade pyrite sarode diorite cried whirried charade shrewdie
per pear peer peerie peery pere perea pereia peri perry pier aper apery opera