wraith vs spook

wraith and spook both are nouns.

Word	Noun	Adjective	Verb	Adverb
wraith	Yes	No	No	No
spook	Yes	No	Yes	No

As nouns, wraith and spook are synonyms defined as:

Other synonyms of wraith include ghost, shade, specter, spectre.

wraith (noun)	spook (noun)
a mental representation of some haunting experience	a mental representation of some haunting experience
	someone unpleasantly strange or eccentric

wraith (verb)	spook (verb)
	frighten or scare, and often provoke into a violent action