legitimation vs human activity

legitimation and human activity both are nouns.

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

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

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

legitimation (noun)	human activity (noun)
the act of making lawful	something that people do or cause to happen
the act of rendering a person legitimate