stimulate vs affect

stimulate is not a noun while affect is a noun.

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

As verbs, affect is a hypernym of stimulate; that is, affect is a word with a broader meaning than stimulate:

As verbs, affect is a hypernym of stimulate; that is, affect is a word with a broader meaning than stimulate:

Other hypernyms of stimulate include bear on, bear upon, impact, touch, touch on.

stimulate (noun)	affect (noun)
	the conscious subjective aspect of feeling or emotion

stimulate (verb)	affect (verb)
cause to be alert and energetic	act physically on; have an effect upon
act as a stimulant	have an effect upon
provide the needed stimulus for	make believe with the intent to deceive
cause to do; cause to act in a specified manner	have an emotional or cognitive impact upon
cause to occur rapidly	connect closely and often incriminatingly
stir the feelings, emotions, or peace of
stir feelings in