Greek deity vs Demeter

Greek deity and Demeter both are nouns.

Word	Noun	Adjective	Verb	Adverb
Greek deity	Yes	No	No	No
Demeter	Yes	No	No	No

Greek deity (noun)	Demeter (noun)
a deity worshipped by the ancient Greeks	(Greek mythology) goddess of fertility and protector of marriage in ancient mythology; counterpart of Roman Ceres