scare off vs scare

scare off is not a noun while scare is a noun.

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

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

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

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

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

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