banshee vs banshie

banshee and banshie both are nouns.

Word	Noun	Adjective	Verb	Adverb
banshee	Yes	No	No	No
banshie	Yes	No	No	No

As nouns, banshee and banshie are synonyms defined as:

banshee and banshie: (Irish folklore) a female spirit who wails to warn of impending death

banshee (noun)	banshie (noun)
(Irish folklore) a female spirit who wails to warn of impending death	(Irish folklore) a female spirit who wails to warn of impending death