scrimshanker vs Great Britain

scrimshanker and Great Britain both are nouns.

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

scrimshanker (noun)	Great Britain (noun)
a shirker	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