UTN vs act of terrorism

UTN and act of terrorism both are nouns.

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

UTN (noun)	act of terrorism (noun)
a nongovernmental organization of Pakistani scientists that has been a supporter of terrorism; has provided information about chemical and biological and nuclear warfare to Osama bin Laden and al-Qaeda and the Taliban	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