spiritual being vs fay

spiritual being and fay both are nouns.

Word	Noun	Adjective	Verb	Adverb
spiritual being	Yes	No	No	No
fay	Yes	No	No	No

As nouns, fay is a hyponym of spiritual being; that is, fay is a word with a more specific, narrower meaning than spiritual being:

spiritual being: an incorporeal being believed to have powers to affect the course of human events
fay: a small being, human in form, playful and having magical powers

Other hyponyms of spiritual being include deity, divinity, god, immortal, aeon, eon, angel, faerie, faery, fairy, sprite, disembodied spirit, spirit, trickster.

spiritual being (noun)	fay (noun)
an incorporeal being believed to have powers to affect the course of human events	a small being, human in form, playful and having magical powers