skedaddle vs take to one's heels

skedaddle

verb
  • To move or run away quickly. 

  • To spill; to scatter. 

noun
  • The act of running away; a scurrying off. 

take to one's heels

verb
  • To leave, especially to flee or run away. 

How often have the words skedaddle and take to one's heels occurred in a corpus of books? (source: Google Ngram Viewer )