eleven vs quarterback

eleven and quarterback both are nouns.

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

eleven (noun)	quarterback (noun)
a team that plays football	(American football) the position of the football player in the backfield who directs the offensive play of his team
the cardinal number that is the sum of ten and one	(football) the person who plays quarterback

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

eleven (verb)	quarterback (verb)
	play the quarterback