Saint Nicholas vs Kriss Kringle

Saint Nicholas and Kriss Kringle both are nouns.

Word	Noun	Adjective	Verb	Adverb
Saint Nicholas	Yes	No	No	No
Kriss Kringle	Yes	No	No	No

As nouns, Saint Nicholas and Kriss Kringle are synonyms defined as:

Saint Nicholas and Kriss Kringle: the legendary patron saint of children; an imaginary being who is thought to bring presents to children at Christmas

Other synonyms of Saint Nicholas include Father Christmas, Saint Nick, Santa, Santa Claus, St. Nick.

Saint Nicholas (noun)	Kriss Kringle (noun)
a bishop in Asia Minor who is associated with Santa Claus (4th century)	the legendary patron saint of children; an imaginary being who is thought to bring presents to children at Christmas
the legendary patron saint of children; an imaginary being who is thought to bring presents to children at Christmas