act of terrorism vs ABB

act of terrorism and ABB both are nouns.

Word	Noun	Adjective	Verb	Adverb
act of terrorism	Yes	No	No	No
ABB	Yes	No	No	No

act of terrorism (noun)	ABB (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	an urban hit squad and guerrilla group of the Communist Party in the Philippines; formed in the 1980s