coalman vs topman

coalman

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

  • Someone who delivers coal. 

  • Someone who sells coal. 

topman

noun
  • The uppermost sawyer in a sawpit; a topsman. 

  • The man stationed in the top on a sailing vessel, responsible for the setting of the sails 

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