half-term vs United Kingdom of Great Britain and Northern Ireland

half-term and United Kingdom of Great Britain and Northern Ireland both are nouns.

Word	Noun	Adjective	Verb	Adverb
half-term	Yes	No	No	No
United Kingdom of Great Britain and Northern Ireland	Yes	No	No	No

half-term (noun)	United Kingdom of Great Britain and Northern Ireland (noun)
a short vacation about halfway through a school term	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