Hades vs Greek mythology

Hades and Greek mythology both are nouns.

Word	Noun	Adjective	Verb	Adverb
Hades	Yes	No	No	No
Greek mythology	Yes	No	No	No

Hades (noun)	Greek mythology (noun)
(religion) the world of the dead	the mythology of the ancient Greeks
(Greek mythology) the god of the underworld in ancient mythology; brother of Zeus and husband of Persephone