wraith vs spectre

wraith and spectre both are nouns.

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

As nouns, wraith and spectre are synonyms defined as:

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

wraith (noun)	spectre (noun)
a mental representation of some haunting experience	a mental representation of some haunting experience
	a ghostly appearing figure