summon vs gather

summon is not a noun while gather is a noun.

Word	Noun	Adjective	Verb	Adverb
summon	No	No	Yes	No
gather	Yes	No	Yes	No

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

Other hypernyms of summon include collect, garner, pull together.

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

Other hypernyms of summon include collect, garner, pull together.

summon (noun)	gather (noun)
	the act of gathering something
	sewing consisting of small folds or puckers made by pulling tight a thread in a line of stitching

summon (verb)	gather (verb)
make ready for action or use	increase in amount by collecting or gathering
call in an official matter, such as to attend court	increase or develop
ask to come	conclude from evidence
gather or bring together	assemble or get together
cause to become available for use, either literally or figuratively	draw together into folds or puckers
	look for (food) in nature
	draw and bring closer
	collect in one place
	get people together