Orestes vs Greek mythology

Orestes and Greek mythology both are nouns.

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

Orestes (noun)	Greek mythology (noun)
(Greek mythology) the son of Agamemnon and Clytemnestra; his sister Electra persuaded him to avenge Agamemnon's death by killing Clytemnestra and Aegisthus	the mythology of the ancient Greeks