file vs file out

file is a noun but file out is not a noun.

Word	Noun	Adjective	Verb	Adverb
file	Yes	No	Yes	No
file out	No	No	Yes	No

file (noun)	file out (noun)
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

file (verb)	file out (verb)
place in a container for keeping records	march out, in a file
file a formal charge against
record in a public office or in a court of law
smooth with a file
proceed in line