United Kingdom of Great Britain and Northern Ireland vs dickie

United Kingdom of Great Britain and Northern Ireland and dickie both are nouns.

Word	Noun	Adjective	Verb	Adverb
United Kingdom of Great Britain and Northern Ireland	Yes	No	No	No
dickie	Yes	No	No	No

United Kingdom of Great Britain and Northern Ireland (noun)	dickie (noun)
a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; `Great Britain' is often used loosely to refer to the United Kingdom	a man's detachable insert (usually starched) to simulate the front of a shirt
	a small third seat in the back of an old-fashioned two-seater