onward motion vs progression

onward motion and progression both are nouns.

Word	Noun	Adjective	Verb	Adverb
onward motion	Yes	No	No	No
progression	Yes	No	No	No

As nouns, onward motion and progression are synonyms defined as:

onward motion and progression: the act of moving forward (as toward a goal)

Other synonyms of onward motion include advance, advancement, forward motion, procession, progress.

onward motion (noun)	progression (noun)
the act of moving forward (as toward a goal)	the act of moving forward (as toward a goal)
	a movement forward
	a series with a definite pattern of advance