Great Britain vs outport

Great Britain and outport both are nouns.

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

Great Britain (noun)	outport (noun)
an island comprising England and Scotland and Wales	a subsidiary port built in deeper water than the original port (but usually farther from the center of trade)
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