supersede vs supervene upon

supersede and supervene upon both are verbs.

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

As verbs, supersede and supervene upon are synonyms defined as:

supersede and supervene upon: take the place or move into the position of

Other synonyms of supersede include replace, supplant.

supersede (verb)	supervene upon (verb)
take the place or move into the position of	take the place or move into the position of