Great Britain vs plaint

Great Britain and plaint both are nouns.

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

Great Britain (noun)	plaint (noun)
an island comprising England and Scotland and Wales	a cry of sorrow and grief
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	(United Kingdom) a written statement of the grounds of complaint made to court of law asking for the grievance to be redressed