filing clerk vs clerk

filing clerk and clerk both are nouns.

Word	Noun	Adjective	Verb	Adverb
filing clerk	Yes	No	No	No
clerk	Yes	No	Yes	No

As nouns, clerk is a hypernym of filing clerk; that is, clerk is a word with a broader meaning than filing clerk:

filing clerk: a clerk who is employed to maintain the files of an organization
clerk: an employee who performs clerical work (e.g., keeps records or accounts)

filing clerk (noun)	clerk (noun)
a clerk who is employed to maintain the files of an organization	an employee who performs clerical work (e.g., keeps records or accounts)
	a salesperson in a store

filing clerk (verb)	clerk (verb)
	work as a clerk, as in the legal business