Pius V vs Pope Pius V

Pius V and Pope Pius V both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pius V	Yes	No	No	No
Pope Pius V	Yes	No	No	No

As nouns, Pius V and Pope Pius V are synonyms defined as:

Pius V and Pope Pius V: Italian pope from 1566 to 1572 who led the reformation of the Roman Catholic Church; he excommunicated Elizabeth I (1504-1572)

Other synonyms of Pius V include Antonio Ghislieri.

Pius V (noun)	Pope Pius V (noun)
Italian pope from 1566 to 1572 who led the reformation of the Roman Catholic Church; he excommunicated Elizabeth I (1504-1572)	Italian pope from 1566 to 1572 who led the reformation of the Roman Catholic Church; he excommunicated Elizabeth I (1504-1572)