subsidiary vs secondary

subsidiary and secondary both are nouns.

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

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

subsidiary (adjective)	secondary (adjective)
functioning in a supporting capacity	being of second rank or importance or value; not direct or immediate
	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