tenpence vs United Kingdom of Great Britain and Northern Ireland

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

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

tenpence (noun)	United Kingdom of Great Britain and Northern Ireland (noun)
a decimal coin worth ten pennies	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