Halo vs cordon

Halo

noun
  • A member of the Angels Major League Baseball team. 

cordon

noun
  • The arc of fielders on the off side, behind the batsman - the slips and gully. 

  • A line of people or things placed around an area to enclose or protect it. 

  • A woody plant, such as a fruit tree, pruned and trained to grow as a single stem on a support. 

verb
  • Only used in cordon off 

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