quickening vs acceleration

quickening and acceleration both are nouns.

Word	Noun	Adjective	Verb	Adverb
quickening	Yes	No	No	No
acceleration	Yes	No	No	No

As nouns, quickening and acceleration are synonyms defined as:

quickening and acceleration: the act of accelerating; increasing the speed

Other synonyms of quickening include speedup.

quickening (noun)	acceleration (noun)
the act of accelerating; increasing the speed	the act of accelerating; increasing the speed
the process of showing signs of life	an increase in rate of change
the stage of pregnancy at which the mother first feels the movements of the fetus	(physics) a rate of increase of velocity