Delta rhymes with:
revuelta, alta, folta, malta, peralta, rakolta, revuelta, transalta, travolta, volta, yalta
Delta sounds like:
daleth, dallhold, dallied, dalto, dault, daywalt, dealt, delatte, delayed, delete, deleted, deloitte, delude, deluded, detailed, dewald, dewalt, dewilde, dialed, dilate, dilated, dilday, dildy, dilute, diluted, dolata, dold, doled, dolled, duality, dueled, dulled, dulude, duluth, dwelled, dwelt