screening vs hiding

screening and hiding both are nouns.

Word	Noun	Adjective	Verb	Adverb
screening	Yes	No	No	No
hiding	Yes	No	No	No

As nouns, hiding is a hypernym of screening; that is, hiding is a word with a broader meaning than screening:

screening: the act of concealing the existence of something by obstructing the view of it
hiding: the activity of keeping something secret

Other hypernyms of screening include concealing, concealment.

screening (noun)	hiding (noun)
the act of concealing the existence of something by obstructing the view of it	the activity of keeping something secret
testing objects or persons in order to identify those with particular characteristics	the state of being hidden
fabric of metal or plastic mesh
the display of a motion picture