athletics vs hurdle

athletics and hurdle both are nouns.

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

athletics (noun)	hurdle (noun)
an active diversion requiring physical exertion and competition	the act of jumping over an obstacle
participation in sports events as an extracurricular activity	a light movable barrier that competitors must leap over in certain races
a contest between athletes	an obstacle that you are expected to overcome

athletics (verb)	hurdle (verb)
	jump a hurdle