stimulation vs stimulate

stimulation is a noun but stimulate is not a noun.

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

stimulation (noun)	stimulate (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.)

stimulation (verb)	stimulate (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