acquiring vs human activity

acquiring and human activity both are nouns.

Word	Noun	Adjective	Verb	Adverb
acquiring	Yes	No	No	No
human activity	Yes	No	No	No

As nouns, human activity is a hypernym of acquiring; that is, human activity is a word with a broader meaning than acquiring:

Other hypernyms of acquiring include act, deed, human action.

acquiring (noun)	human activity (noun)
the act of acquiring something	something that people do or cause to happen