Pope Pius XI vs Achille Ratti

Pope Pius XI and Achille Ratti both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pope Pius XI	Yes	No	No	No
Achille Ratti	Yes	No	No	No

As nouns, Pope Pius XI and Achille Ratti are synonyms defined as:

Pope Pius XI and Achille Ratti: pope who signed a treaty with Mussolini recognizing the Vatican City as an independent state (1857-1939)

Other synonyms of Pope Pius XI include Ambrogio Damiano Achille Ratti, Pius XI.

Pope Pius XI (noun)	Achille Ratti (noun)
pope who signed a treaty with Mussolini recognizing the Vatican City as an independent state (1857-1939)	pope who signed a treaty with Mussolini recognizing the Vatican City as an independent state (1857-1939)