banshie vs disembodied spirit

banshie and disembodied spirit both are nouns.

Word	Noun	Adjective	Verb	Adverb
banshie	Yes	No	No	No
disembodied spirit	Yes	No	No	No

As nouns, disembodied spirit is a hypernym of banshie; that is, disembodied spirit is a word with a broader meaning than banshie:

banshie: (Irish folklore) a female spirit who wails to warn of impending death
disembodied spirit: any incorporeal supernatural being that can become visible (or audible) to human beings

Other hypernyms of banshie include spirit.

banshie (noun)	disembodied spirit (noun)
(Irish folklore) a female spirit who wails to warn of impending death	any incorporeal supernatural being that can become visible (or audible) to human beings