Bishop of Rome vs Eugenio Pacelli

Bishop of Rome and Eugenio Pacelli both are nouns.

Word	Noun	Adjective	Verb	Adverb
Bishop of Rome	Yes	No	No	No
Eugenio Pacelli	Yes	No	No	No

Bishop of Rome (noun)	Eugenio Pacelli (noun)
the head of the Roman Catholic Church	pope who maintained neutrality during World War II and was later criticized for not aiding the Jews who were persecuted by Hitler (1876-1958)