bronze age vs classical mythology

bronze age and classical mythology both are nouns.

Word	Noun	Adjective	Verb	Adverb
bronze age	Yes	No	No	No
classical mythology	Yes	No	No	No

bronze age (noun)	classical mythology (noun)
(classical mythology) the third age of the world, marked by war and violence	the system of mythology of the Greeks and Romans together; much of Roman mythology (especially the gods) was borrowed from the Greeks