microfilm vs film

microfilm and film both are nouns.

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

As nouns, film is a hypernym of microfilm; that is, film is a word with a broader meaning than microfilm:

microfilm: film on which materials are photographed at greatly reduced size; useful for storage; a magnification system is used to read the material
film: photographic material consisting of a base of celluloid covered with a photographic emulsion; used to make negatives or transparencies

Other hypernyms of microfilm include photographic film.

As verbs, film is a hypernym of microfilm; that is, film is a word with a broader meaning than microfilm:

microfilm (noun)	film (noun)
film on which materials are photographed at greatly reduced size; useful for storage; a magnification system is used to read the material	a thin coating or layer
	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

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