Great Britain vs hair slide

Great Britain and hair slide both are nouns.

Word	Noun	Adjective	Verb	Adverb
Great Britain	Yes	No	No	No
hair slide	Yes	No	No	No

Great Britain (noun)	hair slide (noun)
an island comprising England and Scotland and Wales	a decorative hinged clip that girls and women put in their hair to hold it in place
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