boilers suit vs United Kingdom of Great Britain and Northern Ireland

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

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

boilers suit (noun)	United Kingdom of Great Britain and Northern Ireland (noun)
a loose protective coverall or smock worn over ordinary clothing for dirty work	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