training college vs Great Britain

training college and Great Britain both are nouns.

Word	Noun	Adjective	Verb	Adverb
training college	Yes	No	No	No
Great Britain	Yes	No	No	No

training college (noun)	Great Britain (noun)
a school providing training for a special field or profession	an island comprising England and Scotland and Wales
	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