Alfonso Borgia vs Calixtus III

Alfonso Borgia and Calixtus III both are nouns.

Word	Noun	Adjective	Verb	Adverb
Alfonso Borgia	Yes	No	No	No
Calixtus III	Yes	No	No	No

As nouns, Alfonso Borgia and Calixtus III are synonyms defined as:

Alfonso Borgia and Calixtus III: Italian pope whose nepotism put the Borgia family in power in Italy (1378-1458)

Other synonyms of Alfonso Borgia include Borgia, Pope Callixtus III.

Alfonso Borgia (noun)	Calixtus III (noun)
Italian pope whose nepotism put the Borgia family in power in Italy (1378-1458)	Italian pope whose nepotism put the Borgia family in power in Italy (1378-1458)