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.
pyrite yperite prate pride pried protea periti perdie purity parity protei pirate pardie proette parried pert part port prat priedieu preed peart pruta pored pared prude pardi pirouette parred pureed poured parade purred perdue peered period pardee parrot prutah paired parodoi peridia pierrot
write rite norite cerite curite rewrite barite trite ferrite verite diorite cowrite pyrite yperite borate bruit burdie aurate wried merit aerate rate hayride quarried cowrote burrito rete griot gyrate forte perdie lyrate verity brit married juried carate baryte parity phorate fried carried orate berate derate charity worrit whirried weirdie urate tried torte terete hydride droit berried fritt serrate pride sortie riot cirrate curried writ pirate crit carte heriot bourride herried cerate frit caried fruit hurried garrote varied joyride rote prate brute rewrote curate muriate pried harried cried lariat ferried quarte virtue ferrate wrote narrate variate ride aortae crate ferity garote purity irate karate queried aeried rarity bride forrit birdie buried gride pardie arete periti deride britt parried krait grate seriate boride serried deaerate dried hydrate tarried territ trait grit wearied wherried worried chariot shortie