baron vs centurion

baron

noun
  • The male ruler of a barony. 

  • A male member of the lowest rank of English nobility (the equivalent rank in Scotland is lord). 

  • A person of great power in society, especially in business and politics. 

  • A prisoner who gains power and influence by lending or selling goods such as tobacco. 

  • Any of various nymphalid butterflies of the genus Euthalia. 

  • A baron of beef, a cut made up of a double sirloin. 

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. 

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