Great Britain vs washbasin

Great Britain and washbasin both are nouns.

Word	Noun	Adjective	Verb	Adverb
Great Britain	Yes	No	No	No
washbasin	Yes	No	No	No

Great Britain (noun)	washbasin (noun)
an island comprising England and Scotland and Wales	a basin for washing the hands
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	a bathroom sink that is permanently installed and connected to a water supply and drainpipe; where you can wash your hands and face