swing, shake, sway, rock, tremble, vibrate

Radicals

• 動揺【どうよう】
  shaking, trembling, pitching, rolling, oscillation, disturbance, unrest, agitation, excitement, commotion, turmoil, discomposure, feeling shaken
• 揺らぐ【ゆらぐ】
  to swing, to sway, to shake, to tremble, to waver, to feel shaken, to become unstable
• 揺さぶる【ゆさぶる】
  to shake, to jolt, to rock, to swing, to sway, to shake (e.g. the political world), to disturb, to shock, to upset, to put off a batter (by varying one's type of pitch)