Athena vs Pallas Athene

Athena and Pallas Athene both are nouns.

Word	Noun	Adjective	Verb	Adverb
Athena	Yes	No	No	No
Pallas Athene	Yes	No	No	No

As nouns, Athena and Pallas Athene are synonyms defined as:

Athena and Pallas Athene: (Greek mythology) goddess of wisdom and useful arts and prudent warfare; guardian of Athens; identified with Roman Minerva

Other synonyms of Athena include Athene, Pallas, Pallas Athena.

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