equalization vs human action

equalization and human action both are nouns.

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

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

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

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