Great Britain vs patrial

Great Britain and patrial both are nouns.

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

Great Britain (noun)	patrial (noun)
an island comprising England and Scotland and Wales	a person who has the right to be considered legally a British citizen (by virtue of the birth of a parent or grandparent)
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