filer vs file

filer and file both are nouns.

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

filer (noun)	file (noun)
a party who files a notice with a law court	a steel hand tool with small sharp teeth on some or all of its surfaces; used for smoothing wood or metal
a clerk who is employed to maintain the files of an organization	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

filer (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