Pivotal rhymes with:
capital, congenital, deshotel, digital, extramarital, genital, intercapital, interdigital, marital, nonvolatile, occipital, orbital, parietal, premarital, sagittal, skeletal, surrebuttal, vegetal, versatile, volatile
Pivotal sounds like:
paddle, padilla, padley, padula, patel, patella, pathet-lao, patillo, pattillo, pedal, peddle, pedley, petal, pethel, pethtel, petillo, piddle, pietila, pittle, podell, podoll, poodle, pothole, pottle, puddle, pudlo, pudwill, pytel