stimulate vs stimulus

stimulate is not a noun while stimulus is a noun.

Word	Noun	Adjective	Verb	Adverb
stimulate	No	No	Yes	No
stimulus	Yes	No	No	No

stimulate (noun)	stimulus (noun)
	any stimulating information or event; acts to arouse action

stimulate (verb)	stimulus (verb)
cause to be alert and energetic
act as a stimulant
provide the needed stimulus for
cause to do; cause to act in a specified manner
cause to occur rapidly
stir the feelings, emotions, or peace of
stir feelings in