terrorist act vs People's Republican Army

terrorist act and People's Republican Army both are nouns.

Word	Noun	Adjective	Verb	Adverb
terrorist act	Yes	No	No	No
People's Republican Army	Yes	No	No	No

terrorist act (noun)	People's Republican Army (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	a radical terrorist group dedicated to the removal of British forces from Northern Ireland and the unification of Ireland