vibration vs shakiness

vibration and shakiness both are nouns.

Word	Noun	Adjective	Verb	Adverb
vibration	Yes	No	No	No
shakiness	Yes	No	No	No

As nouns, vibration and shakiness are synonyms defined as:

Other synonyms of vibration include palpitation, quiver, quivering, shaking, trembling.

vibration (noun)	shakiness (noun)
the act of vibrating	the quality of being unstable and insecure
a distinctive emotional aura experienced instinctively	a shaky motion
(physics) a regular periodic variation in value about a mean
a shaky motion