scare off vs frighten away

scare off and frighten away both are verbs.

Word	Noun	Adjective	Verb	Adverb
scare off	No	No	Yes	No
frighten away	No	No	Yes	No

As verbs, scare off and frighten away are synonyms defined as:

scare off and frighten away: cause to lose courage; to be daunted; to be scared away

Other synonyms of scare off include dash, daunt, frighten off, pall, scare, scare away.

scare off (verb)	frighten away (verb)
cause to lose courage; to be daunted; to be scared away	cause to lose courage; to be daunted; to be scared away