uncovering vs human action

uncovering and human action both are nouns.

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

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

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

uncovering (noun)	human action (noun)
the act of discovering something	something that people do or cause to happen
the removal of covering