Assur vs Ashur

Assur and Ashur both are nouns.

Word	Noun	Adjective	Verb	Adverb
Assur	Yes	No	No	No
Ashur	Yes	No	No	No

As nouns, Assur and Ashur are synonyms defined as:

Assur and Ashur: an ancient Assyrian city on the Tigris and traditional capital of Assyria; just to the south of the modern city of Mosul in Iraq

Other synonyms of Assur include Asur.

Assur (noun)	Ashur (noun)
an ancient Assyrian city on the Tigris and traditional capital of Assyria; just to the south of the modern city of Mosul in Iraq	an ancient Assyrian city on the Tigris and traditional capital of Assyria; just to the south of the modern city of Mosul in Iraq
	chief god of the Assyrians; god of military prowess and empire; identified with Babylonian Anshar