vicarious vs secondary

vicarious is not a noun while secondary is a noun.

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

vicarious (noun)	secondary (noun)
	coil such that current is induced in it by passing a current through the primary coil
	the defensive football players who line up behind the linemen

vicarious (adjective)	secondary (adjective)
occurring in an abnormal part of the body instead of the usual site involved in that function	being of second rank or importance or value; not direct or immediate
suffered or done by one person as a substitute for another	depending on or incidental to what is original or primary
experienced at secondhand	inferior in rank or status
	not of major importance
	belonging to a lower class or rank