act of terrorism vs Abu Nidal Organization

act of terrorism and Abu Nidal Organization both are nouns.

Word	Noun	Adjective	Verb	Adverb
act of terrorism	Yes	No	No	No
Abu Nidal Organization	Yes	No	No	No

act of terrorism (noun)	Abu Nidal Organization (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 Palestinian international terrorist organization that split from the PLO in 1974; has conducted terrorist attacks in 20 countries