Pallas Athene vs Greek mythology

Pallas Athene and Greek mythology both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pallas Athene	Yes	No	No	No
Greek mythology	Yes	No	No	No

Pallas Athene (noun)	Greek mythology (noun)
(Greek mythology) goddess of wisdom and useful arts and prudent warfare; guardian of Athens; identified with Roman Minerva	the mythology of the ancient Greeks