set in motion vs displace

set in motion and displace both are verbs.

Word	Noun	Adjective	Verb	Adverb
set in motion	No	No	Yes	No
displace	No	No	Yes	No

As verbs, displace is a hypernym of set in motion; that is, displace is a word with a broader meaning than set in motion:

set in motion: get going; give impetus to
displace: cause to move or shift into a new position or place, both in a concrete and in an abstract sense

Other hypernyms of set in motion include move.

set in motion (verb)	displace (verb)
get going; give impetus to	cause to move, usually with force or pressure
	cause to move or shift into a new position or place, both in a concrete and in an abstract sense
	take the place of or have precedence over
	terminate the employment of; discharge from an office or position