Synonyms and related words :
bob, bobble, bounce, bump, careen, chatter, coggle, continue, dangle, didder, falter, fluctuate, flutter, have an ague, hustle, jactitate, jar, jog, joggle, jolt, jostle, jounce, jump, librate, lurch, nutate, occur often, oscillate, pendulate, pitch, pulsate, pulse, quake, quaver, quiver, recur, reel, resonate, reverberate, rock, roll, shake, shiver, shock, shudder, swag, sway, swing, throb, toss, tremble, tremor, twitter, vacillate, wag, waggle, wave, waver, wobble