Electra vs Greek mythology

Electra and Greek mythology both are nouns.

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

Electra (noun)	Greek mythology (noun)
(Greek mythology) the daughter of Agamemnon and Clytemnestra; persuaded her brother (Orestes) to avenge Agamemnon's death by helping her to kill Clytemnestra and her lover (Aegisthus)	the mythology of the ancient Greeks