hotfoot vs vigorous

hotfoot

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. 

verb
  • To run (a distance). 

vigorous

adj
  • Mentally strong and active. 

  • Rapid of growth. 

  • Physically strong and active. 

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