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.
kiddos kiddoes kids kiddies kudos keddahs koodoos kits guids qaids kadis kites caids kudus kotos quids caddis gaddis ketose kotows guides caddies cuddies goddess kitties kowtows
kiddos dos does adios adds duos dows doss judos dose vodous hoodoos ados nodous meadows radios redds redos rodeos sudds dados didoes dodoes doodoos duds widows kudos audios eidos lidos fidos vadose videos voodoos iodous caddis fados kiddoes eddoes gaddis koodoos nodose odds readds redoes roadeos rudds dadoes dads didos dodos dots udos shadows
kiddie kiddo kiddy kid keddah skid skiddoo skiddy skidoo