pitter-patter

= pit-a-pat.

piteous, piteously, piteousness, pitfall, pith, pith hat (also `pith helmet), pithily, pithiness, pithy, pitiable, pitiably, pitiful, pitifully, pitiless, pitilessly, pitilessness, piton, Pitot tube, pitta, pittance, Pittsburgh, pituitary, pity, pityingly, pivot, pivotal, pixel, pixie (also pixy), pizza, pizzicato, Pk, pkg, pkt, Pl, pl of vertex., placard, placate, placatory, place, place-bet,