Erinyes vs Eumenides

Erinyes and Eumenides both are nouns.

Word	Noun	Adjective	Verb	Adverb
Erinyes	Yes	No	No	No
Eumenides	Yes	No	No	No

As nouns, Erinyes and Eumenides are synonyms defined as:

Erinyes and Eumenides: (classical mythology) the hideous snake-haired monsters (usually three in number) who pursued unpunished criminals

Other synonyms of Erinyes include Fury.

Erinyes (noun)	Eumenides (noun)
(classical mythology) the hideous snake-haired monsters (usually three in number) who pursued unpunished criminals	(classical mythology) the hideous snake-haired monsters (usually three in number) who pursued unpunished criminals