Great Britain vs squire

Great Britain and squire both are nouns.

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

Great Britain (noun)	squire (noun)
an island comprising England and Scotland and Wales	an English country landowner
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	young nobleman attendant on a knight
	a man who attends or escorts a woman

Great Britain (verb)	squire (verb)
	attend upon as a squire; serve as a squire