graham flour vs United Kingdom of Great Britain and Northern Ireland

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

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

graham 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