stoppage vs human activity

stoppage and human activity both are nouns.

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

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

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

stoppage (noun)	human activity (noun)
the act of stopping something	something that people do or cause to happen
an obstruction in a pipe or tube
the state of inactivity following an interruption