efflux vs hotfoot

efflux

verb
  • To run out; to flow forth. 

noun
  • The process of flowing out. 

  • That which has flowed out. 

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 efflux and hotfoot occurred in a corpus of books? (source: Google Ngram Viewer )