inactivity vs human action

inactivity and human action both are nouns.

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

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

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

inactivity (noun)	human action (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