centurion vs ganger

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. 

ganger

noun
  • One who oversees a gang of workmen. 

  • One who is employed in conveying the coal through the gangways. 

  • One who or that which walks or goes; a goer; a walker. 

  • A horse that goes quickly. 

  • A length of chain, one end of which is fastened to an anchor when let go, when the other end is fastened to a hawser. 

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