Herod the Great vs Herod

Herod the Great and Herod both are nouns.

Word	Noun	Adjective	Verb	Adverb
Herod the Great	Yes	No	No	No
Herod	Yes	No	No	No

As nouns, Herod the Great and Herod are synonyms defined as:

Herod the Great and Herod: king of Judea who (according to the New Testament) tried to kill Jesus by ordering the death of all children under age two in Bethlehem (74-4 BC)

Herod the Great (noun)	Herod (noun)
king of Judea who (according to the New Testament) tried to kill Jesus by ordering the death of all children under age two in Bethlehem (74-4 BC)	king of Judea who (according to the New Testament) tried to kill Jesus by ordering the death of all children under age two in Bethlehem (74-4 BC)