Scotland vs Firth of Clyde

Scotland and Firth of Clyde both are nouns.

Word	Noun	Adjective	Verb	Adverb
Scotland	Yes	No	No	No
Firth of Clyde	Yes	No	No	No

Scotland (noun)	Firth of Clyde (noun)
one of the four countries that make up the United Kingdom of Great Britain and Northern Ireland; located on the northern part of the island of Great Britain; famous for bagpipes and plaids and kilts	a firth on the southwestern coast of Scotland emptying into the North Channel