United Kingdom of Great Britain and Northern Ireland vs Hooray Henry

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

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

United Kingdom of Great Britain and Northern Ireland (noun)	Hooray Henry (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 lively and ineffectual upper-class young man