wraith vs specter

wraith and specter both are nouns.

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

As nouns, wraith and specter are synonyms defined as:

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

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