chauffeur vs leadfoot

chauffeur

noun
  • A person employed to drive a private motor car or a hired car of executive or luxury class (like a limousine). 

  • The driver of a fire truck. 

verb
  • To be, or act as, a chauffeur (driver of a motor car). 

  • To transport (someone) in a motor vehicle. 

leadfoot

noun
  • One who drives quickly or without subtlety, one who often engages in and/or is fond of slamming and flooring the accelerator often. 

  • A driver who does not compensate the throttle position of the vehicle for road conditions or terrain, invariably slowing down while going uphill and speeding up while going downhill. 

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