Great Britain vs roly-poly

Great Britain and roly-poly both are nouns.

Word	Noun	Adjective	Verb	Adverb
Great Britain	Yes	No	No	No
roly-poly	Yes	Yes	No	No

Great Britain (noun)	roly-poly (noun)
an island comprising England and Scotland and Wales	pudding made of suet pastry spread with jam or fruit and rolled up and baked or steamed
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 rotund individual

Great Britain (adjective)	roly-poly (adjective)
	short and plump