summon vs conjure up

summon and conjure up both are verbs.

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

As verbs, conjure up is a hyponym of summon; that is, conjure up is a word with a more specific, narrower meaning than summon:

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

Other hyponyms of summon include arouse, bring up, call down, call forth, conjure, evoke, invoke, put forward, raise, stir.

summon (verb)	conjure up (verb)
make ready for action or use	summon into action or bring into existence, often as if by magic
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