jumping vs long jump

jumping and long jump both are nouns.

Word	Noun	Adjective	Verb	Adverb
jumping	Yes	No	No	No
long jump	Yes	No	No	No

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

jumping: the act of participating in an athletic competition in which you must jump
long jump: the act of jumping as far as possible from a running start

Other hyponyms of jumping include broad jump, high jump.

jumping (noun)	long jump (noun)
the act of participating in an athletic competition in which you must jump	the act of jumping as far as possible from a running start
the act of jumping; propelling yourself off the ground	a competition that involves jumping as far as possible from a running start