hotfoot vs splitting

hotfoot

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. 

adv
  • Hastily; without delay. 

verb
  • To run (a distance). 

splitting

adj
  • Very rapid. 

  • Resembling the sound of something being split or ripped. 

  • Severely painful. 

noun
  • An instance where something splits. 

  • A division in the mind, or affecting one's sense of self. 

  • The cleavage of a covalent bond. 

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