tearaway vs United Kingdom of Great Britain and Northern Ireland

tearaway and United Kingdom of Great Britain and Northern Ireland both are nouns.

Word	Noun	Adjective	Verb	Adverb
tearaway	Yes	Yes	No	No
United Kingdom of Great Britain and Northern Ireland	Yes	No	No	No

tearaway (noun)	United Kingdom of Great Britain and Northern Ireland (noun)
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

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