move vs stand still

move is a noun but stand still is not a noun.

Word	Noun	Adjective	Verb	Adverb
move	Yes	No	Yes	No
stand still	No	No	Yes	No

move (noun)	stand still (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

move (verb)	stand still (verb)
be in a state of action	remain in place; hold still; remain fixed or immobile
go or proceed from one point to another
progress by being changed
propose formally; in a debate or parliamentary meeting
have a turn; make one's move in a game
give an incentive for action
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