film vs McGuffin

film and McGuffin both are nouns.

Word	Noun	Adjective	Verb	Adverb
film	Yes	No	Yes	No
McGuffin	Yes	No	No	No

film (noun)	McGuffin (noun)
a thin coating or layer	(film) a plot element that catches the viewers' attention or drives the plot
photographic material consisting of a base of celluloid covered with a photographic emulsion; used to make negatives or transparencies
a thin sheet of (usually plastic and usually transparent) material used to wrap or cover things
a medium that disseminates moving pictures
a form of entertainment that enacts a story by sound and a sequence of images giving the illusion of continuous movement

film (verb)	McGuffin (verb)
make a film or photograph of something
record in film