Crests rhymes with:
breasts, rests, arrests, attests, bequests, best's, breasts, chests, digests, divests, fests, guest's, guests, guests', infests, invests, jests, midwest's, molests, natwest's, nests, northwest's, norwest's, pests, quests, reinvests, requests, rests, retests, southwest's, suggests, test's, tests, tests', vests, west's
Crests sounds like:
careerists, christ's, christakos, christic, christie's, christies, christy's, chrostowski, circuit's, circuitous, circuits, corestates, corestates', corrects, cricket's, crickets, cristo's, crusades, crustaceous, crusts, cruzados, curiosities