scan vs scanning

scan and scanning both are nouns.

Word	Noun	Adjective	Verb	Adverb
scan	Yes	No	Yes	No
scanning	Yes	No	No	No

scan (noun)	scanning (noun)
the act of scanning; systematic examination of a prescribed region	the act of systematically moving a finely focused beam of light or electrons over a surface in order to produce an image of it for analysis or transmission
an image produced by scanning	the process of translating photographs into a digital form that can be recognized by a computer

scan (verb)	scanning (verb)
obtain data from magnetic tapes or other digital sources
read metrically
make a wide, sweeping search of
move a light beam over; in electronics, to reproduce an image
examine hastily
examine minutely or intensely
conform to a metrical pattern