stimulate vs stimulation

stimulate is not a noun while stimulation is a noun.

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

stimulate (noun)	stimulation (noun)
	the act of arousing an organism to action
	mutual sexual fondling prior to sexual intercourse
	any stimulating information or event; acts to arouse action
	(physiology) the effect of a stimulus (on nerves or organs etc.)

stimulate (verb)	stimulation (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