Hades vs Aidoneus

Hades and Aidoneus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Hades	Yes	No	No	No
Aidoneus	Yes	No	No	No

As nouns, Hades and Aidoneus are synonyms defined as:

Hades and Aidoneus: (Greek mythology) the god of the underworld in ancient mythology; brother of Zeus and husband of Persephone

Other synonyms of Hades include Aides.

Hades (noun)	Aidoneus (noun)
(religion) the world of the dead	(Greek mythology) the god of the underworld in ancient mythology; brother of Zeus and husband of Persephone
(Greek mythology) the god of the underworld in ancient mythology; brother of Zeus and husband of Persephone