secondary vs collateral

secondary and collateral both are nouns.

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

secondary (noun)	collateral (noun)
coil such that current is induced in it by passing a current through the primary coil	a security pledged for the repayment of a loan
the defensive football players who line up behind the linemen

secondary (adjective)	collateral (adjective)
being of second rank or importance or value; not direct or immediate	descended from a common ancestor but through different lines
depending on or incidental to what is original or primary	situated or running side by side
inferior in rank or status	additional but secondary; auxiliary;
not of major importance	occurring with or following as a consequence
belonging to a lower class or rank	serving to support or corroborate