eleven vs secondary

eleven and secondary both are nouns.

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

eleven (noun)	secondary (noun)
a team that plays football	coil such that current is induced in it by passing a current through the primary coil
the cardinal number that is the sum of ten and one	the defensive football players who line up behind the linemen

eleven (adjective)	secondary (adjective)
being one more than ten	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