mortal vs immortal

mortal and immortal both are nouns.

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

mortal (noun)	immortal (noun)
a human being; person, singular, assertive existential pronoun; pronoun, person, singular; quantifier: assertive existential	any supernatural being worshipped as controlling some part of the world or some aspect of life or who is the personification of a force
	a person (such as an author) of enduring fame

mortal (adjective)	immortal (adjective)
subject to death	not subject to death
unrelenting and deadly
involving loss of divine grace or spiritual death
causing or capable of causing death