Dissident Irish Republican Army vs terrorist act

Dissident Irish Republican Army and terrorist act both are nouns.

Word	Noun	Adjective	Verb	Adverb
Dissident Irish Republican Army	Yes	No	No	No
terrorist act	Yes	No	No	No

Dissident Irish Republican Army (noun)	terrorist act (noun)
a radical terrorist group that broke away in 1997 when the mainstream Provisional IRA proposed a cease-fire; has continued terrorist activities in opposition to any peace agreement	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