coalman vs cooker

coalman

noun
  • Someone who delivers coal. 

  • A coal miner (as distinguished from other type of miners). 

  • Someone who sells coal. 

cooker

noun
  • A person who is cooked; a crazy person. 

  • A device for heating food, a stove. 

  • A person who makes or uses illicit drugs, especially methamphetamine or cannabis. 

  • An appliance or utensil for cooking food. 

  • A cooking apple. 

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