beaner vs wetback

beaner

noun
  • A Mexican. 

  • Any Hispanic person. 

  • Head. 

  • A pitch deliberately thrown at the head (the bean) of the batter. 

wetback

noun
  • A Mexican or Central American who illegally enters the United States of America from its southern border. 

  • A person of the mestizo race; a mojado. 

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