fool's errand vs hotfoot

fool's errand

noun
  • Such an undertaking, assigned as a prank. 

  • A foolish undertaking, especially one that is purposeless, fruitless, nonsensical, or certain to fail. 

hotfoot

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

adv
  • Hastily; without delay. 

verb
  • To run (a distance). 

adj
  • Moving with haste or zeal. 

How often have the words fool's errand and hotfoot occurred in a corpus of books? (source: Google Ngram Viewer )