State of the Vatican City vs European nation

State of the Vatican City and European nation both are nouns.

Word	Noun	Adjective	Verb	Adverb
State of the Vatican City	Yes	No	No	No
European nation	Yes	No	No	No

State of the Vatican City (noun)	European nation (noun)
the smallest sovereign state in the world; the see of the Pope (as the Bishop of Rome); home of the Pope and the central administration of the Roman Catholic Church; achieved independence from Italy in 1929	any one of the countries occupying the European continent