Twelve Olympians vs Olympic god

Twelve Olympians and Olympic god both are nouns.

Word	Noun	Adjective	Verb	Adverb
Twelve Olympians	Yes	No	No	No
Olympic god	Yes	No	No	No

As nouns, Twelve Olympians and Olympic god are synonyms defined as:

Twelve Olympians and Olympic god: a classical Greek god after the overthrow of the Titans

Other synonyms of Twelve Olympians include Olympian.

Twelve Olympians (noun)	Olympic god (noun)
a classical Greek god after the overthrow of the Titans	a classical Greek god after the overthrow of the Titans