cops vs gendarme

cops

noun
  • The police, considered as a group entity. 

  • The connecting crook of a harrow. 

gendarme

noun
  • A policeman. 

  • A member of the gendarmerie, a military body charged with police duties. 

  • A rock pinnacle on a mountain ridge. 

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