jump off vs get down

jump off and get down both are verbs.

Word	Noun	Adjective	Verb	Adverb
jump off	No	No	Yes	No
get down	No	No	Yes	No

As verbs, get down is a hypernym of jump off; that is, get down is a word with a broader meaning than jump off:

Other hypernyms of jump off include begin, commence, get, set about, set out, start, start out.

jump off (verb)	get down (verb)
set off quickly, usually with success	take the first step or steps in carrying out an action
jump down from an elevated point	put down in writing; of texts, musical compositions, etc.
	pass through the esophagus as part of eating or drinking
	lower someone's spirits; make downhearted
	move something or somebody to a lower position
	alight from (a horse)
	lower (one's body) as by kneeling