appall vs scare

appall is not a noun while scare is a noun.

Word	Noun	Adjective	Verb	Adverb
appall	No	No	Yes	No
scare	Yes	No	Yes	No

As verbs, scare is a hypernym of appall; that is, scare is a word with a broader meaning than appall:

Other hypernyms of appall include affright, fright, frighten.

appall (noun)	scare (noun)
	a sudden attack of fear
	sudden mass fear and anxiety over anticipated events

appall (verb)	scare (verb)
strike with disgust or revulsion	cause fear in
fill with apprehension or alarm; cause to be unpleasantly surprised	cause to lose courage; to be daunted; to be scared away