stimulate vs fright

stimulate is not a noun while fright is a noun.

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

As verbs, fright is a hyponym of stimulate; that is, fright is a word with a more specific, narrower meaning than stimulate:

stimulate (noun)	fright (noun)
	an emotion experienced in anticipation of some specific pain or danger (usually accompanied by a desire to flee or fight)

stimulate (verb)	fright (verb)
cause to be alert and energetic	cause fear in
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