Britain vs graham flour

Britain and graham flour both are nouns.

Word	Noun	Adjective	Verb	Adverb
Britain	Yes	No	No	No
graham flour	Yes	No	No	No

Britain (noun)	graham flour (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	flour made by grinding the entire wheat berry including the bran; (`whole meal flour' is British usage)