earthly vs mortal

earthly is not a noun while mortal is a noun.

Word	Noun	Adjective	Verb	Adverb
earthly	No	Yes	No	No
mortal	Yes	Yes	No	No

earthly (noun)	mortal (noun)
	a human being; person, singular, assertive existential pronoun; pronoun, person, singular; quantifier: assertive existential

earthly (adjective)	mortal (adjective)
of or belonging to or characteristic of this earth as distinguished from heaven	subject to death
	unrelenting and deadly
	involving loss of divine grace or spiritual death
	causing or capable of causing death