vibration vs palpitation

vibration and palpitation both are nouns.

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

As nouns, vibration and palpitation are synonyms defined as:

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

vibration (noun)	palpitation (noun)
the act of vibrating	a rapid and irregular heart beat
a distinctive emotional aura experienced instinctively	a shaky motion
(physics) a regular periodic variation in value about a mean
a shaky motion