jumping vs hurdle

jumping and hurdle both are nouns.

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

As nouns, hurdle is a hyponym of jumping; that is, hurdle is a word with a more specific, narrower meaning than jumping:

Other hyponyms of jumping include header, hop, bounce, bound, leap, leaping, saltation, spring, vault, jumping up and down, capriole.

jumping (noun)	hurdle (noun)
the act of participating in an athletic competition in which you must jump	the act of jumping over an obstacle
the act of jumping; propelling yourself off the ground	a light movable barrier that competitors must leap over in certain races
	an obstacle that you are expected to overcome

jumping (verb)	hurdle (verb)
	jump a hurdle