equalization vs human activity

equalization and human activity both are nouns.

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

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

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

equalization (noun)	human activity (noun)
the act of making equal or uniform	something that people do or cause to happen