CTC vs act of terrorism

CTC and act of terrorism both are nouns.

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

CTC (noun)	act of terrorism (noun)
an agency that helps the Director of Central Intelligence coordinate counterterrorist efforts in order to preempt and disrupt and defeat terrorist activities at the earliest possible stage	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