Boniface vs St. Boniface

Boniface and St. Boniface both are nouns.

Word	Noun	Adjective	Verb	Adverb
Boniface	Yes	No	No	No
St. Boniface	Yes	No	No	No

As nouns, Boniface and St. Boniface are synonyms defined as:

Boniface and St. Boniface: (Roman Catholic Church) Anglo-Saxon missionary who was sent to Frisia and Germany to spread the Christian faith; was martyred in Frisia (680-754)

Other synonyms of Boniface include Apostle of Germany, Saint Boniface, Winfred, Wynfrith.

Boniface (noun)	St. Boniface (noun)
(Roman Catholic Church) Anglo-Saxon missionary who was sent to Frisia and Germany to spread the Christian faith; was martyred in Frisia (680-754)	(Roman Catholic Church) Anglo-Saxon missionary who was sent to Frisia and Germany to spread the Christian faith; was martyred in Frisia (680-754)