Pope Urban VIII vs Urban VIII

Pope Urban VIII and Urban VIII both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pope Urban VIII	Yes	No	No	No
Urban VIII	Yes	No	No	No

As nouns, Pope Urban VIII and Urban VIII are synonyms defined as:

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

Other synonyms of Pope Urban VIII include Maffeo Barberini.

Pope Urban VIII (noun)	Urban VIII (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)