United Kingdom of Great Britain and Northern Ireland vs Rhenish

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

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

United Kingdom of Great Britain and Northern Ireland (noun)	Rhenish (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	any of several white wines from the Rhine River valley in Germany (`hock' is British usage)

United Kingdom of Great Britain and Northern Ireland (adjective)	Rhenish (adjective)
	of or relating to the Rhine River and the lands adjacent to it