whole wheat flour vs United Kingdom of Great Britain and Northern Ireland

whole wheat flour and United Kingdom of Great Britain and Northern Ireland both are nouns.

Word	Noun	Adjective	Verb	Adverb
whole wheat flour	Yes	No	No	No
United Kingdom of Great Britain and Northern Ireland	Yes	No	No	No

whole wheat flour (noun)	United Kingdom of Great Britain and Northern Ireland (noun)
flour made by grinding the entire wheat berry including the bran; (`whole meal flour' is British usage)	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