empyrean vs celestial point

empyrean and celestial point both are nouns.

Word	Noun	Adjective	Verb	Adverb
empyrean	Yes	Yes	No	No
celestial point	Yes	No	No	No

empyrean (noun)	celestial point (noun)
the apparent surface of the imaginary sphere on which celestial bodies appear to be projected	a point in the heavens (on the celestial sphere)

empyrean (adjective)	celestial point (adjective)
of or relating to the sky or heavens
inspiring awe