Francesco della Rovere vs Sixtus IV

Francesco della Rovere and Sixtus IV both are nouns.

Word	Noun	Adjective	Verb	Adverb
Francesco della Rovere	Yes	No	No	No
Sixtus IV	Yes	No	No	No

As nouns, Francesco della Rovere and Sixtus IV are synonyms defined as:

Francesco della Rovere and Sixtus IV: Italian pope from 1471 to 1484 who consented to the establishment of the Spanish Inquisition and built the Sistine Chapel (1414-1484)

Other synonyms of Francesco della Rovere include Pope Sixtus IV.

Francesco della Rovere (noun)	Sixtus IV (noun)
Italian pope from 1471 to 1484 who consented to the establishment of the Spanish Inquisition and built the Sistine Chapel (1414-1484)	Italian pope from 1471 to 1484 who consented to the establishment of the Spanish Inquisition and built the Sistine Chapel (1414-1484)