fright vs stimulate

fright is a noun but stimulate is not a noun.

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

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

Other hypernyms of fright include excite, shake, shake up, stir.

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

fright (verb)	stimulate (verb)
cause fear in	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