fright vs scare

fright and scare both are nouns.

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

As nouns, scare is a hyponym of fright; that is, scare is a word with a more specific, narrower meaning than fright:

fright: an emotion experienced in anticipation of some specific pain or danger (usually accompanied by a desire to flee or fight)
scare: a sudden attack of fear

As verbs, fright and scare are synonyms defined as:

Other synonyms of fright include affright, frighten.

fright (noun)	scare (noun)
an emotion experienced in anticipation of some specific pain or danger (usually accompanied by a desire to flee or fight)	a sudden attack of fear
	sudden mass fear and anxiety over anticipated events

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