Northern Ireland vs Orange Volunteers

Northern Ireland and Orange Volunteers both are nouns.

Word	Noun	Adjective	Verb	Adverb
Northern Ireland	Yes	No	No	No
Orange Volunteers	Yes	No	No	No

Northern Ireland (noun)	Orange Volunteers (noun)
a division of the United Kingdom located on the northern part of the island of Ireland	a terrorist group of Protestants who oppose any political settlement with Irish nationalists; a paramilitary group that attacks Catholic interests in Northern Ireland