football vs line up

football is a noun but line up is not a noun.

Word	Noun	Adjective	Verb	Adverb
football	Yes	No	No	No
line up	No	No	Yes	No

football (noun)	line up (noun)
any of various games played with a ball (round or oval) in which two teams try to kick or carry or propel the ball into each other's goal
the inflated oblong ball used in playing American football

football (verb)	line up (verb)
	place in a line or arrange so as to be parallel or straight
	take one's position before a kick-off
	arrange in ranks
	form a queue, form a line, stand in line
	get something or somebody for a specific purpose
	form a line