inventor vs Hero

inventor and Hero both are nouns.

Word	Noun	Adjective	Verb	Adverb
inventor	Yes	No	No	No
Hero	Yes	No	No	No

inventor (noun)	Hero (noun)
someone who is the first to think of or make something	(Greek mythology) priestess of Aphrodite who killed herself when her lover Leander drowned while trying to swim the Hellespont to see her
	Greek mathematician and inventor who devised a way to determine the area of a triangle and who described various mechanical devices (first century)