hotfoot vs safely

hotfoot

adv
  • Hastily; without delay. 

verb
  • To run (a distance). 

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. 

safely

adv
  • In a safe manner; without risk; using caution above all else. 

  • In a secure manner; without the possibility of injury or harm resulting. 

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