Santa Claus vs bankroller

Santa Claus

name
  • A town in Spencer County, Indiana. Original name: Santa Fe. 

  • A city in Georgia, United States. 

  • A figure said to bring presents to people (especially children) at Christmas time. 

  • An generous source of free gifts or benefits. 

  • A ghost town in Arizona. 

bankroller

noun
  • One who bankrolls; usually an individual who has enough seed capital to launch a venture; one who can fund a project; angel investor. 

How often have the words Santa Claus and bankroller occurred in a corpus of books? (source: Google Ngram Viewer )