Parietal rhymes with:
capital, congenital, deshotel, digital, extramarital, genital, intercapital, interdigital, marital, nonvolatile, occipital, orbital, pivotal, premarital, sagittal, skeletal, surrebuttal, vegetal, versatile, volatile
Parietal sounds like:
partial, partially, partlow, partly, pirtle, portal, portela, portell, portelli, portilla, portillo, portly, prattle, proudly, purtell, purtle