gaudy vs Great Britain

gaudy and Great Britain both are nouns.

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

gaudy (noun)	Great Britain (noun)
(Britain) a celebratory reunion feast or entertainment held at a college	an island comprising England and Scotland and Wales
	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

gaudy (adjective)	Great Britain (adjective)
(used especially of clothes) marked by conspicuous display
tastelessly showy