Mithridates VI vs Mithridates the Great

Mithridates VI and Mithridates the Great both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mithridates VI	Yes	No	No	No
Mithridates the Great	Yes	No	No	No

As nouns, Mithridates VI and Mithridates the Great are synonyms defined as:

Mithridates VI and Mithridates the Great: ancient king of Pontus who expanded his kingdom by defeating the Romans but was later driven out by Pompey (132-63 BC)

Other synonyms of Mithridates VI include Mithridates, Mithridates VI of Pontus.

Mithridates VI (noun)	Mithridates the Great (noun)
ancient king of Pontus who expanded his kingdom by defeating the Romans but was later driven out by Pompey (132-63 BC)	ancient king of Pontus who expanded his kingdom by defeating the Romans but was later driven out by Pompey (132-63 BC)