agitate, bucket, convulse, jerk, jiggle, jolt, jounce, judder(chiefly British), quake, quiver, shake, shudder, vibrate, wobble(also wabble)
rock, sway, swingchatter, quaver, shiver, thrill, trembletwitchdodder, waverflicker, fluctuate, flutter, oscillate, undulate, wavebeat, palpitate, pit-a-pat, pitter-patter, pulsate, pulse, throb