conjure up vs summon

conjure up and summon both are verbs.

Word	Noun	Adjective	Verb	Adverb
conjure up	No	No	Yes	No
summon	No	No	Yes	No

As verbs, summon is a hypernym of conjure up; that is, summon is a word with a broader meaning than conjure up:

conjure up: summon into action or bring into existence, often as if by magic
summon: cause to become available for use, either literally or figuratively

Other hypernyms of conjure up include call up.

conjure up (verb)	summon (verb)
summon into action or bring into existence, often as if by magic	make ready for action or use
	call in an official matter, such as to attend court
	ask to come
	gather or bring together
	cause to become available for use, either literally or figuratively