motion vs approach

motion and approach both are nouns.

Word	Noun	Adjective	Verb	Adverb
motion	Yes	No	Yes	No
approach	Yes	No	Yes	No

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

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

motion: a natural event that involves a change in the position or location of something
approach: the event of one object coming closer to another

motion (noun)	approach (noun)
a change of position that does not entail a change of location	the act of drawing spatially closer to something
the act of changing location from one place to another	a relatively short golf shot intended to put the ball onto the putting green
the use of movements (especially of the hands) to communicate familiar or prearranged signals	ideas or actions intended to deal with a problem or situation
a formal proposal for action made to a deliberative assembly for discussion and vote	a way of entering or leaving
a natural event that involves a change in the position or location of something	the temporal property of becoming nearer in time
an optical illusion of motion produced by viewing a rapid succession of still pictures of a moving object	a close approximation
a state of change	a tentative suggestion designed to elicit the reactions of others
	the event of one object coming closer to another
	the final path followed by an aircraft as it is landing

motion (verb)	approach (verb)
show, express or direct through movement	make advances to someone, usually with a proposal or suggestion
	move towards
	come near in time
	begin to deal with
	come near or verge on, resemble, come nearer in quality, or character