secondary vs subsidiary

secondary and subsidiary both are nouns.

Word	Noun	Adjective	Verb	Adverb
secondary	Yes	Yes	No	No
subsidiary	Yes	Yes	No	No

secondary (noun)	subsidiary (noun)
coil such that current is induced in it by passing a current through the primary coil	a company that is completely controlled by another company
the defensive football players who line up behind the linemen	an assistant subject to the authority or control of another

secondary (adjective)	subsidiary (adjective)
being of second rank or importance or value; not direct or immediate	functioning in a supporting capacity
depending on or incidental to what is original or primary
inferior in rank or status
not of major importance
belonging to a lower class or rank