Great Britain vs shove-halfpenny

Great Britain and shove-halfpenny both are nouns.

Word	Noun	Adjective	Verb	Adverb
Great Britain	Yes	No	No	No
shove-halfpenny	Yes	No	No	No

Great Britain (noun)	shove-halfpenny (noun)
an island comprising England and Scotland and Wales	a game in which coins or discs are slid by hand across a board toward a mark
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