Great Britain vs don

Great Britain and don both are nouns.

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

Great Britain (noun)	don (noun)
an island comprising England and Scotland and Wales	teacher at a university or college (especially at Cambridge or Oxford)
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	the head of an organized crime family

Great Britain (verb)	don (verb)
	put clothing on one's body