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.
picky pick pocky pecky pic pika pike pica piki pack puck poky peck pock paik piggy pawky peaky pokey pucka pec pig pac paca peak peek peke poco poke puke
kicky dicky picky icky ick coky nick quacky pick lackey pecky hickey sick mickey sucky wrick rickey sicko jacky ducky tacky wacky wick chucky rocky quick rick cocky hick lick mick jockey mucky hoick kick lucky caky dick pocky dickey hockey dikey tackey tick whacky chick yucky