bobby vs criminal

bobby

noun
  • A banana that is extra small in size. 

  • A penis. 

  • A police officer. 

  • A railway signaller. 

  • A calf that is slaughtered in its first month, usually because it has no mother or because it is undersized or otherwise defective. 

  • Cocaine. 

criminal

adj
  • Against the law; forbidden by law. 

  • Guilty of breaking the law. 

  • Abhorrent or very undesirable. 

  • Of or relating to crime or penal law. 

noun
  • A person who is guilty of a crime, notably breaking the law. 

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