act of terrorism vs al-Ummah

act of terrorism and al-Ummah both are nouns.

Word	Noun	Adjective	Verb	Adverb
act of terrorism	Yes	No	No	No
al-Ummah	Yes	No	No	No

act of terrorism (noun)	al-Ummah (noun)
the calculated use of violence (or the threat of violence) against civilians in order to attain goals that are political or religious or ideological in nature; this is done through intimidation or coercion or instilling fear	a terrorist group formed in India in 1992; is believed to be responsible for bombings in southern India in 1998