Phoebus Apollo vs Greek mythology

Phoebus Apollo and Greek mythology both are nouns.

Word	Noun	Adjective	Verb	Adverb
Phoebus Apollo	Yes	No	No	No
Greek mythology	Yes	No	No	No

Phoebus Apollo (noun)	Greek mythology (noun)
(Greek mythology) Greek god of light; god of prophecy and poetry and music and healing; son of Zeus and Leto; twin brother of Artemis	the mythology of the ancient Greeks