counterintelligence vs terrorist act

counterintelligence and terrorist act both are nouns.

Word	Noun	Adjective	Verb	Adverb
counterintelligence	Yes	No	No	No
terrorist act	Yes	No	No	No

counterintelligence (noun)	terrorist act (noun)
intelligence activities concerned with identifying and counteracting the threat to security posed by hostile intelligence organizations or by individuals engaged in espionage or sabotage or subversion or terrorism	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