automobilist vs leadfoot

automobilist

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 automobilist and leadfoot occurred in a corpus of books? (source: Google Ngram Viewer )