horrify vs frighten

horrify and frighten both are verbs.

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

As verbs, frighten is a hypernym of horrify; that is, frighten is a word with a broader meaning than horrify:

horrify: fill with apprehension or alarm; cause to be unpleasantly surprised
frighten: cause fear in

Other hypernyms of horrify include affright, fright, scare.

horrify (verb)	frighten (verb)
fill with apprehension or alarm; cause to be unpleasantly surprised	cause fear in