Great Britain vs trillion

Great Britain and trillion both are nouns.

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

Great Britain (noun)	trillion (noun)
an island comprising England and Scotland and Wales	the number that is represented as a one followed by 12 zeros
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 number that is represented as a one followed by 18 zeros in the UK
	a very large indefinite number (usually hyperbole)

Great Britain (adjective)	trillion (adjective)
	one million million in the United States
	one quintillion in Great Britain