niffy vs United Kingdom of Great Britain and Northern Ireland

niffy is not a noun while United Kingdom of Great Britain and Northern Ireland is a noun.

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

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

niffy (adjective)	United Kingdom of Great Britain and Northern Ireland (adjective)
(British informal) malodorous