getting vs acquisition

getting and acquisition both are nouns.

Word	Noun	Adjective	Verb	Adverb
getting	Yes	No	No	No
acquisition	Yes	No	No	No

As nouns, acquisition is a hyponym of getting; that is, acquisition is a word with a more specific, narrower meaning than getting:

getting: the act of acquiring something
acquisition: the act of contracting or assuming or acquiring possession of something

getting (noun)	acquisition (noun)
the act of acquiring something	the act of contracting or assuming or acquiring possession of something
	an ability that has been acquired by training
	the cognitive process of acquiring skill or knowledge
	something acquired