Clytemnestra vs Greek mythology

Clytemnestra and Greek mythology both are nouns.

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

Clytemnestra (noun)	Greek mythology (noun)
(Greek mythology) wife of Agamemnon who had him murdered when he returned from the Trojan War	the mythology of the ancient Greeks