departure vs human action

departure and human action both are nouns.

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

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

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

departure (noun)	human action (noun)
the act of departing	something that people do or cause to happen
euphemistic expressions for death
a variation that deviates from the standard or norm