Amun Ra vs Amon-Ra

Amun Ra and Amon-Ra both are nouns.

Word	Noun	Adjective	Verb	Adverb
Amun Ra	Yes	No	No	No
Amon-Ra	Yes	No	No	No

As nouns, Amun Ra and Amon-Ra are synonyms defined as:

Amun Ra and Amon-Ra: Egyptian sun god; supreme god of the universe in whom Amen and Ra were merged; principal deity during Theban supremacy

Other synonyms of Amun Ra include Amen-Ra.

Amun Ra (noun)	Amon-Ra (noun)
Egyptian sun god; supreme god of the universe in whom Amen and Ra were merged; principal deity during Theban supremacy	Egyptian sun god; supreme god of the universe in whom Amen and Ra were merged; principal deity during Theban supremacy