Dis Pater vs Orcus

Dis Pater and Orcus both are nouns.

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

As nouns, Dis Pater and Orcus are synonyms defined as:

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

Other synonyms of Dis Pater include Dis, Pluto.

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