centurion vs foreman

centurion

noun
  • An officer of the ancient Roman army, in command of a century of soldiers. 

  • A player who scores a century. 

  • A pilot in the United States Navy who has performed 100 night landings on an aircraft carrier. 

foreman

noun
  • A slave assistant to the white overseer who managed field hands. 

  • The leader of a work crew. 

  • The member of a jury who presides over it and speaks on its behalf. 

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