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.
curded corded carded crudded guarded crowded curated courted corraded corroded curetted credit grided crated graded carted curtate gridded cordite crawdad created quirted cordate cardioid crawdaddy grated quartet crudity garoted gradate gritted grouted greeted carotid corotate garotted garreted garroted grottoed
barded hoarded farded herded carded warded girded horded worded lorded yarded birded curded boarded bearded forded weirded larded corded guarded chorded prodded readded paraded courted readied redded bradded carted raided girted quirted prided fordid braided radded graded sordid corraded warted crudded shorted hearted shrouded crowded marauded charted tarted traded darted corroded ridded birdied farted eroded reeded derided marted dreaded gridded reded airted sorted treaded ported breaded brooded rodded shredded grided parodied parted
curd curdy curt curred curette card cardia cardiae cardio cord court credo cred crud cruddy crude curate cured curet curite curried scurried