horrify vs dismay

horrify is not a noun while dismay is a noun.

Word	Noun	Adjective	Verb	Adverb
horrify	No	No	Yes	No
dismay	Yes	No	Yes	No

As verbs, horrify and dismay are synonyms defined as:

horrify and dismay: fill with apprehension or alarm; cause to be unpleasantly surprised

Other synonyms of horrify include alarm, appal, appall.

horrify (noun)	dismay (noun)
	fear resulting from the awareness of danger
	the feeling of despair in the face of obstacles

horrify (verb)	dismay (verb)
fill with apprehension or alarm; cause to be unpleasantly surprised	fill with apprehension or alarm; cause to be unpleasantly surprised
	lower someone's spirits; make downhearted