Great Britain vs tod

Great Britain and tod both are nouns.

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

Great Britain (noun)	tod (noun)
an island comprising England and Scotland and Wales	a unit of weight for wool equal to about 28 pounds
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

Great Britain (adjective)	tod (adjective)
	alone and on your own