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.
parked porked perked pricked parkade peruked parkette parroket parakite parakeet parrakeet parquet pricket prigged precode progged paraquet paroquet preguide precut percoid porrect paraquat
barked burked porked chirked corked quirked marked jerked larked borked perked worked shirked yerked dirked narked irked lurked darked carked charked warked forked harked parked sharked brooked cricked frocked grokked traiked pricked troked beraked croaked market trekked bricked troaked cracked raked drouked freaked ryked shrieked rucked tracked rocked racked barracked wracked crooked reeked ricked reracked phreaked trocked creaked wreaked peruked tricked braked arcked recked wrecked rooked wricked trucked crocked
park parka pargo perk perky pork porky paprica paprika spark sparky