bobby vs cordwainer

bobby

noun
  • A railway signaller. 

  • A banana that is extra small in size. 

  • A penis. 

  • A police officer. 

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

  • Cocaine. 

cordwainer

noun
  • A worker in cordwain. 

  • A member of the Worshipful Company of Cordwainers, a livery company. 

  • A shoemaker. 

  • A leather from Córdoba. 

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