Bob, Bobble, Bounce, Bump, Chatter, Chill, Cower, Disquiet, Disquietude, Dither, Dithers, Falter, Fidget, Fidgets, Flutter, Freeze, Glow, Grimace, Halt, Heave, Heaving, Hustle, Jar, Jerk, Jiggle, Jitter, Jitters, Jog, Jolt, Jostle, Jump, Jumps, Limp, Palpitate, Palpitation, Pant, Panting, Quail, Quake, Quaking, Quaver, Quavering, Quiver, Quivering, Quivers, Restlessness, Rock, Shake, Shakes, Shaking, Shiver, Shivers, Shock, Shrink, Shudder, Squirm, Sweat, Swell, Teeter, Thrill, Throb, Throbbing, Tic, Tingle, Toss, Totter, Trembling, Tremolo, Tremor, Trepidation, Trill, Tumble, Twitch, Twitter, Unrest, Vibrate, Vibration, Vibrato, Wiggle, Wince, Wobble, Wriggle, Writhe