Dis vs Orcus

Dis and Orcus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Dis	Yes	No	No	No
Orcus	Yes	No	No	No

As nouns, Dis and Orcus are synonyms defined as:

Dis and Orcus: (Roman mythology) god of the underworld; counterpart of Greek Hades

Other synonyms of Dis include Dis Pater, Pluto.

Dis (noun)	Orcus (noun)
(Roman mythology) god of the underworld; counterpart of Greek Hades	(Roman mythology) god of the underworld; counterpart of Greek Hades