Muslim Ummah vs Ummah

Muslim Ummah and Ummah both are nouns.

Word	Noun	Adjective	Verb	Adverb
Muslim Ummah	Yes	No	No	No
Ummah	Yes	No	No	No

As nouns, Muslim Ummah and Ummah are synonyms defined as:

Muslim Ummah and Ummah: the Muslim community or people, considered to extend from Mauritania to Pakistan

Other synonyms of Muslim Ummah include Islam Nation, Islamic Ummah, Umma.

Muslim Ummah (noun)	Ummah (noun)
the Muslim community or people, considered to extend from Mauritania to Pakistan	the Muslim community or people, considered to extend from Mauritania to Pakistan