policeman vs shoemaker

policeman

noun
  • Any skipper of the genus Coeliades. 

  • A glass rod capped at one end with rubber, used in a chemistry laboratory for gravimetric analysis. 

  • Synonym of enforcer 

  • A male police officer, sometimes used for any police officer regardless of gender. 

shoemaker

noun
  • The threadfish. 

  • A fish, Elagatis pinnulatis, the runner. 

  • A person who makes shoes 

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