Ambrogio Damiano Achille Ratti vs Pius XI

Ambrogio Damiano Achille Ratti and Pius XI both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ambrogio Damiano Achille Ratti	Yes	No	No	No
Pius XI	Yes	No	No	No

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

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

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

Ambrogio Damiano Achille Ratti (noun)	Pius XI (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)