undulation vs motion

undulation and motion both are nouns.

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

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

undulation: (physics) a movement up and down or back and forth
motion: a natural event that involves a change in the position or location of something

Other hypernyms of undulation include movement.

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

undulation: wavelike motion; a gentle rising and falling in the manner of waves
motion: a natural event that involves a change in the position or location of something

Other hypernyms of undulation include movement.

undulation (noun)	motion (noun)
(physics) a movement up and down or back and forth	a change of position that does not entail a change of location
wavelike motion; a gentle rising and falling in the manner of waves	the act of changing location from one place to another
an undulating curve	the use of movements (especially of the hands) to communicate familiar or prearranged signals
	a formal proposal for action made to a deliberative assembly for discussion and vote
	a natural event that involves a change in the position or location of something
	an optical illusion of motion produced by viewing a rapid succession of still pictures of a moving object
	a state of change

undulation (verb)	motion (verb)
	show, express or direct through movement