drop-kick vs football

drop-kick is not a noun while football is a noun.

Word	Noun	Adjective	Verb	Adverb
drop-kick	No	No	Yes	No
football	Yes	No	No	No

drop-kick (noun)	football (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

drop-kick (verb)	football (verb)
drop and kick (a ball) as it touches the ground, as for a field goal
make the point after a touchdown with a dropkick