UTN vs terrorist act

UTN and terrorist act both are nouns.

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

UTN (noun)	terrorist act (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