palpitation vs quivering

palpitation and quivering both are nouns.

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

As nouns, palpitation and quivering are synonyms defined as:

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

palpitation (noun)	quivering (noun)
a rapid and irregular heart beat	the act of vibrating
a shaky motion	a shaky motion