hades

(noun) (Greek mythology) the god of the underworld in ancient mythology; brother of Zeus and husband of Persephone. Synonyms: Pluto, Hades, Aides, Aidoneus.

(noun) (religion) the world of the dead. Synonyms: Hell, Hades, infernal region, netherworld, Scheol, underworld. Example: "No one goes to hades with all his immense wealth"-theognis."