knock over vs displace

knock over and displace both are verbs.

Word	Noun	Adjective	Verb	Adverb
knock over	No	No	Yes	No
displace	No	No	Yes	No

As verbs, displace is a hypernym of knock over; that is, displace is a word with a broader meaning than knock over:

knock over: cause to overturn from an upright or normal position
displace: cause to move or shift into a new position or place, both in a concrete and in an abstract sense

Other hypernyms of knock over include move.

knock over (verb)	displace (verb)
cause to overturn from an upright or normal position	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