approach vs motion

approach and motion both are nouns.

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

As nouns, motion is a hypernym of approach; that is, motion is a word with a broader meaning than approach:

Other hypernyms of approach include move, movement.

As nouns, motion is a hypernym of approach; that is, motion is a word with a broader meaning than approach:

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

Other hypernyms of approach include movement.

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

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