United Kingdom of Great Britain and Northern Ireland vs fairy light

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

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

United Kingdom of Great Britain and Northern Ireland (noun)	fairy light (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 small colored light used for decoration (especially at Christmas)