Great Britain vs sell-by date

Great Britain and sell-by date both are nouns.

Word	Noun	Adjective	Verb	Adverb
Great Britain	Yes	No	No	No
sell-by date	Yes	No	No	No

Great Britain (noun)	sell-by date (noun)
an island comprising England and Scotland and Wales	a date stamped on perishable produce indicating the date by which it should be sold
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