Great Britain vs bar

Great Britain and bar both are nouns.

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

Great Britain (noun)	bar (noun)
an island comprising England and Scotland and Wales	the act of preventing
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	a rigid piece of metal or wood; usually used as a fastening or obstruction or weapon
	an obstruction (usually metal) placed at the top of a goal
	a room or establishment where alcoholic drinks are served over a counter
	a counter where you can obtain food or drink
	a block of solid substance (such as soap or wax)
	(law) a railing that encloses the part of the courtroom where the judges and lawyers sit and the case is tried
	a heating element in an electric fire
	a horizontal rod that serves as a support for gymnasts as they perform exercises
	a narrow marking of a different color or texture from the background
	musical notation for a repeating pattern of musical beats
	the body of individuals qualified to practice law in a particular jurisdiction
	a submerged (or partly submerged) ridge in a river or along a shore
	(meteorology) a unit of pressure equal to a million dynes per square centimeter

Great Britain (verb)	bar (verb)
	prevent from entering; keep out
	render unsuitable for passage
	secure with, or as if with, bars
	expel, as if by official decree