hotfoot vs run off

hotfoot

verb
  • To run (a distance). 

adj
  • Moving with haste or zeal. 

adv
  • Hastily; without delay. 

noun
  • The prank of secretly inserting a match between the sole and upper of a victim's shoe and then lighting it. 

run off

verb
  • To chase someone away. 

  • To operate by a particular energy or fuel source. 

  • To flee or depart quickly. 

  • to have diarrhea 

  • To make photocopies, or print. 

  • To write something quickly. 

  • To pour or spill off or over. 

  • To cause to flow away. 

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