inactivity vs human activity

inactivity and human activity both are nouns.

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

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

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

inactivity (noun)	human activity (noun)
being inactive; being less active	something that people do or cause to happen
a disposition to remain inactive or inert
the state of being inactive