elope vs hotfoot

elope

verb
  • To run away from home with a paramour. 

  • To run away secretly for the purpose of getting married with one's intended spouse; to marry in a quick or private fashion, especially without a public period of engagement. 

hotfoot

verb
  • To run (a distance). 

adv
  • Hastily; without delay. 

adj
  • Moving with haste or zeal. 

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

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