Combined DNA Index System vs file

Combined DNA Index System and file both are nouns.

Word	Noun	Adjective	Verb	Adverb
Combined DNA Index System	Yes	No	No	No
file	Yes	No	Yes	No

Combined DNA Index System (noun)	file (noun)
the DNA file maintained by the Federal Bureau of Investigation	a steel hand tool with small sharp teeth on some or all of its surfaces; used for smoothing wood or metal
	office furniture consisting of a container for keeping papers in order
	a set of related records (either written or electronic) kept together
	a line of persons or things ranged one behind the other

Combined DNA Index System (verb)	file (verb)
	place in a container for keeping records
	file a formal charge against
	record in a public office or in a court of law
	smooth with a file
	proceed in line