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.
rackety racket rickety rocket racked wracked react raked rucked recked rocked ricked wreaked wricked raggedy wrecked recti recut ryked recto ragout recoat recode reeked rooked roquet rugate ragged regatta requite
rackety rickety tucket ticket tacket docket socket rocket pocket racket picket packet locket jacket bucket becket wicket
rack rake rakee rickey wrack brake crack cracky crake drake track