Enea Silvio Piccolomini vs Pope Pius II

Enea Silvio Piccolomini and Pope Pius II both are nouns.

Word	Noun	Adjective	Verb	Adverb
Enea Silvio Piccolomini	Yes	No	No	No
Pope Pius II	Yes	No	No	No

As nouns, Enea Silvio Piccolomini and Pope Pius II are synonyms defined as:

Enea Silvio Piccolomini and Pope Pius II: Italian pope from 1458 to 1464 who is remembered for his unsuccessful attempt to lead a crusade against the Turks (1405-1464)

Other synonyms of Enea Silvio Piccolomini include Aeneas Silvius, Pius II.

Enea Silvio Piccolomini (noun)	Pope Pius II (noun)
Italian pope from 1458 to 1464 who is remembered for his unsuccessful attempt to lead a crusade against the Turks (1405-1464)	Italian pope from 1458 to 1464 who is remembered for his unsuccessful attempt to lead a crusade against the Turks (1405-1464)