summon vs stir

summon is not a noun while stir is a noun.

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

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

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

summon (noun)	stir (noun)
	a rapid active commotion
	emotional agitation and excitement
	a prominent or sensational but short-lived news event

summon (verb)	stir (verb)
make ready for action or use	mix or add by stirring
call in an official matter, such as to attend court	summon into action or bring into existence, often as if by magic
ask to come	affect emotionally
gather or bring together	stir the feelings, emotions, or peace of
cause to become available for use, either literally or figuratively	move very slightly
	move an implement through
	to begin moving
	stir feelings in