Islamic Ummah vs Umma

Islamic Ummah and Umma both are nouns.

Word	Noun	Adjective	Verb	Adverb
Islamic Ummah	Yes	No	No	No
Umma	Yes	No	No	No

As nouns, Islamic Ummah and Umma are synonyms defined as:

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

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

Islamic Ummah (noun)	Umma (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