overall vs United Kingdom of Great Britain and Northern Ireland

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

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

overall (noun)	United Kingdom of Great Britain and Northern Ireland (noun)
(usually plural) work clothing consisting of denim trousers (usually with a bib and shoulder straps)	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 loose protective coverall or smock worn over ordinary clothing for dirty work

overall (adjective)	United Kingdom of Great Britain and Northern Ireland (adjective)
involving only main features
including everything