tanner vs United Kingdom of Great Britain and Northern Ireland

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

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

tanner (noun)	United Kingdom of Great Britain and Northern Ireland (noun)
a craftsman who tans skins and hides	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 coin of the United Kingdom worth six pennies; not minted since 1970