oscillation Synonyms

cycle vibration undulation uncertainty swing swinging sway swaying shakiness seesawing rocking ripplet rhythm resonance quivering quiver questionableness pulse vacillation variability variation vibrations fluctuations swings vibrational fluidity body English judder unsteadiness wobble wavering waving wave volatility vibrating vibrancy vellication pulsation periodicity periodicalness flux flutter fluctuation fickleness fibrillation faltering dynamics doubt alternation crossruff