Great Britain vs tearaway

Great Britain and tearaway both are nouns.

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

Great Britain (noun)	tearaway (noun)
an island comprising England and Scotland and Wales	a reckless and impetuous person
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

Great Britain (adjective)	tearaway (adjective)
	characterized by undue haste and lack of thought or deliberation