United Kingdom vs overall

United Kingdom and overall both are nouns.

Word	Noun	Adjective	Verb	Adverb
United Kingdom	Yes	No	No	No
overall	Yes	Yes	No	No

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

United Kingdom (adjective)	overall (adjective)
	involving only main features
	including everything