collateral vs secondary

collateral and secondary both are nouns.

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

collateral (noun)	secondary (noun)
a security pledged for the repayment of a loan	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

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