hotfoot vs skelter

hotfoot

verb
  • To run (a distance). 

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

adj
  • Moving with haste or zeal. 

adv
  • Hastily; without delay. 

skelter

verb
  • To run off helter-skelter; to hurry; to scurry. 

noun
  • A gravity-based device used to store and rotate round food and drink in a first-in-first-out manner. 

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