Great Britain vs national assistance

Great Britain and national assistance both are nouns.

Word	Noun	Adjective	Verb	Adverb
Great Britain	Yes	No	No	No
national assistance	Yes	No	No	No

Great Britain (noun)	national assistance (noun)
an island comprising England and Scotland and Wales	benefits paid to bring incomes up to minimum levels established by law
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