fish slice vs Great Britain

fish slice and Great Britain both are nouns.

Word	Noun	Adjective	Verb	Adverb
fish slice	Yes	No	No	No
Great Britain	Yes	No	No	No

fish slice (noun)	Great Britain (noun)
a food turner with a broad blade used for turning or serving fish or other food that is cooked in a frying pan	an island comprising England and Scotland and Wales
	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