Irish Republican Army vs foreign terrorist organization

Irish Republican Army and foreign terrorist organization both are nouns.

Word	Noun	Adjective	Verb	Adverb
Irish Republican Army	Yes	No	No	No
foreign terrorist organization	Yes	No	No	No

Irish Republican Army (noun)	foreign terrorist organization (noun)
a militant organization of Irish nationalists who used terrorism and guerilla warfare in an effort to drive British forces from Northern Ireland and achieve a united independent Ireland	a political movement that uses terror as a weapon to achieve its goals