classical mythology vs Eumenides

classical mythology and Eumenides both are nouns.

Word	Noun	Adjective	Verb	Adverb
classical mythology	Yes	No	No	No
Eumenides	Yes	No	No	No

classical mythology (noun)	Eumenides (noun)
the system of mythology of the Greeks and Romans together; much of Roman mythology (especially the gods) was borrowed from the Greeks	(classical mythology) the hideous snake-haired monsters (usually three in number) who pursued unpunished criminals