Urban VIII vs Maffeo Barberini

Urban VIII and Maffeo Barberini both are nouns.

Word	Noun	Adjective	Verb	Adverb
Urban VIII	Yes	No	No	No
Maffeo Barberini	Yes	No	No	No

As nouns, Urban VIII and Maffeo Barberini are synonyms defined as:

Urban VIII and Maffeo Barberini: Italian pope from 1623 to 1644 who sanctioned the condemnation of Galileo but later freed him (1568-1644)

Other synonyms of Urban VIII include Pope Urban VIII.

Urban VIII (noun)	Maffeo Barberini (noun)
Italian pope from 1623 to 1644 who sanctioned the condemnation of Galileo but later freed him (1568-1644)	Italian pope from 1623 to 1644 who sanctioned the condemnation of Galileo but later freed him (1568-1644)