uncovering vs human activity

uncovering and human activity both are nouns.

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

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

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

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