Italian Republic vs Papal States

Italian Republic and Papal States both are nouns.

Word	Noun	Adjective	Verb	Adverb
Italian Republic	Yes	No	No	No
Papal States	Yes	No	No	No

Italian Republic (noun)	Papal States (noun)
a republic in southern Europe on the Italian Peninsula; was the core of the Roman Republic and the Roman Empire between the 4th century BC and the 5th century AD	the temporal dominions belonging to the pope (especially in central Italy)