wraith vs phantasma

wraith and phantasma both are nouns.

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

As nouns, phantasma is a hypernym of wraith; that is, phantasma is a word with a broader meaning than wraith:

Other hypernyms of wraith include apparition, fantasm, phantasm, phantom, shadow.

wraith (noun)	phantasma (noun)
a mental representation of some haunting experience	something existing in perception only
	a ghostly appearing figure