quicken vs stir

quicken is not a noun while stir is a noun.

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

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

Other hypernyms of quicken include excite, stimulate.

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

quicken (verb)	stir (verb)
give new life or energy to	mix or add by stirring
show signs of life	summon into action or bring into existence, often as if by magic
give life or energy to	affect emotionally
move faster	stir the feelings, emotions, or peace of
make keen or more acute	move very slightly
	move an implement through
	to begin moving
	stir feelings in