backpack vs athletics

backpack and athletics both are nouns.

Word	Noun	Adjective	Verb	Adverb
backpack	Yes	No	Yes	No
athletics	Yes	No	No	No

backpack (noun)	athletics (noun)
a bag carried by a strap on your back or shoulder	an active diversion requiring physical exertion and competition
	participation in sports events as an extracurricular activity
	a contest between athletes

backpack (verb)	athletics (verb)
hike with a backpack