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.
corrodes corrodies corodies corrades cords crowdies corridas crudes crowds gourdes croutes carrots courtesy cowrites garrotes curds cards creds cruds garrottes courteous cruets grades courts grides gourds cairds curets cartes crates carets creeds curtesy creates curates garotes cardias garrets carates curites garottes curettes grottoes grids grots crits carts grads gradus grouts carats curtsy greets grates credos greeds groats greats guards korats
erodes corrodes rodes sarodes rods byroads roods burdies fordoes haeredes redes rotes hayrides irades rides borides heredes rodeos brides hardies corrodies birdies parades parodos periods prods corodies derides hydrides tardies toroids triodes weirdoes choroids merdes hurdies broods grides bourrides aroids broads corrades hordes crowds viroids bardes garotes irides roads crudes garrotes grades joyrides gourdes bredes oroides parodies perdues prides prudes sarods droids hydroids tirades trades weirdies charades shrouds
corrody corrode carrot carroty corody corrade corrida cowrote