get down vs move

get down is not a noun while move is a noun.

Word	Noun	Adjective	Verb	Adverb
get down	No	No	Yes	No
move	Yes	No	Yes	No

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

get down: move something or somebody to a lower position
move: cause to move or shift into a new position or place, both in a concrete and in an abstract sense

Other hypernyms of get down include displace.

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

get down (noun)	move (noun)
	the act of deciding to do something
	the act of changing your residence or place of business
	(game) a player's turn to take some action permitted by the rules of the game
	a change of position that does not entail a change of location
	the act of changing location from one place to another

get down (verb)	move (verb)
take the first step or steps in carrying out an action	be in a state of action
put down in writing; of texts, musical compositions, etc.	go or proceed from one point to another
pass through the esophagus as part of eating or drinking	progress by being changed
lower someone's spirits; make downhearted	propose formally; in a debate or parliamentary meeting
move something or somebody to a lower position	have a turn; make one's move in a game
alight from (a horse)	give an incentive for action
lower (one's body) as by kneeling	have an emotional or cognitive impact upon
	arouse sympathy or compassion in
	move so as to change position, perform a nontranslational motion
	cause to move or shift into a new position or place, both in a concrete and in an abstract sense
	change residence, affiliation, or place of employment
	change location; move, travel, or proceed, also metaphorically
	dispose of by selling
	perform an action, or work out or perform (an action)
	follow a procedure or take a course
	live one's life in a specified environment