displace vs supervene upon

displace and supervene upon both are verbs.

Word	Noun	Adjective	Verb	Adverb
displace	No	No	Yes	No
supervene upon	No	No	Yes	No

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

Other hypernyms of displace include replace, supersede, supplant.

displace (verb)	supervene upon (verb)
cause to move, usually with force or pressure	take the place or move into the position of
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