Nereus vs Greek deity

Nereus and Greek deity both are nouns.

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

Nereus (noun)	Greek deity (noun)
(Greek mythology) a sea god son of Pontus and Gaea; lived in the depths of the sea with his wife Doris and their daughters the Nereids	a deity worshipped by the ancient Greeks