Tammuz vs Dumuzi

Tammuz and Dumuzi both are nouns.

Word	Noun	Adjective	Verb	Adverb
Tammuz	Yes	No	No	No
Dumuzi	Yes	No	No	No

As nouns, Tammuz and Dumuzi are synonyms defined as:

Tammuz and Dumuzi: Sumerian and Babylonian god of pastures and vegetation; consort of Inanna

Tammuz (noun)	Dumuzi (noun)
Sumerian and Babylonian god of pastures and vegetation; consort of Inanna	Sumerian and Babylonian god of pastures and vegetation; consort of Inanna
the tenth month of the civil year; the fourth month of the ecclesiastic year (in June and July)