mortal vs automaton

mortal and automaton both are nouns.

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

mortal (noun)	automaton (noun)
a human being; person, singular, assertive existential pronoun; pronoun, person, singular; quantifier: assertive existential	a mechanism that can move automatically
	a machine that operates on its own without the need for human control
	someone who acts or responds in a mechanical or apathetic way

mortal (adjective)	automaton (adjective)
subject to death
unrelenting and deadly
involving loss of divine grace or spiritual death
causing or capable of causing death