invigorate vs stir

invigorate is not a noun while stir is a noun.

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

As verbs, stir is a hypernym of invigorate; that is, stir is a word with a broader meaning than invigorate:

Other hypernyms of invigorate include excite, shake, shake up, stimulate.

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

invigorate (verb)	stir (verb)
impart vigor, strength, or vitality to	mix or add by stirring
make lively	summon into action or bring into existence, often as if by magic
give life or energy to	affect emotionally
heighten or intensify	stir the feelings, emotions, or peace of
	move very slightly
	move an implement through
	to begin moving
	stir feelings in