screening vs showing

screening and showing both are nouns.

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

As nouns, screening and showing are synonyms defined as:

Other synonyms of screening include viewing.

screening (noun)	showing (noun)
the act of concealing the existence of something by obstructing the view of it	something shown to the public
testing objects or persons in order to identify those with particular characteristics	the display of a motion picture
fabric of metal or plastic mesh
the display of a motion picture