Noun
oscillation [pl. oscillations] , {phys.}
تذبذب {فزياء}
fluctuation [pl. fluctuations]
frequency [pl. frequencies]
wobble [pl. wobbles]
vibration [pl. vibrations]
wobbles [sing. a wobble]
hesitation [pl. hesitations]
waver {ing}, [ wavered ; wavered ]
indecision {feelings & emotions}
vacillations [sing. a vacillation]
vacillation [pl. vacillations]
...
Verb
to wiggle [ wiggled ; wiggled ]
to vibrate [ vibrated ; vibrated ]
to veer [ veered ; veered ]
to oscillate [ oscillated ; oscillated ]
to vacillate [ vacillated ; vacillated ]
to hesitate [ hesitated ; hesitated ]
to pulsate [ pulsated ; pulsated ]