9 letters · 13 points in Scrabble
verb cause to throb or beat rapidly
verb shake with fast, tremulous movements
verb beat rapidly
originEtymology tree Latin palpitō, palpitātusbor. English palpitate Borrowed from Latin palpitō, palpitātus (“throb, pulsate, palpitate”).
Etymology from Wiktionary, CC BY-SA 3.0