fullback vs eleven

fullback and eleven both are nouns.

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

fullback (noun)	eleven (noun)
(American football) the position of a back on a football team, generally larger in size than halfbacks	a team that plays football
(football) the running back who plays the fullback position on the offensive team	the cardinal number that is the sum of ten and one

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

fullback (verb)	eleven (verb)
play the fullback