Great Britain vs mod

Great Britain and mod both are nouns.

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

Great Britain (noun)	mod (noun)
an island comprising England and Scotland and Wales	a British teenager or young adult in the 1960s; noted for their clothes consciousness and opposition to the rockers
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)	mod (adjective)
	relating to a recently developed fashion or style