flee vs skedaddle

flee

verb
  • To run away; to escape. 

  • To escape from. 

  • To disappear quickly; to vanish. 

skedaddle

verb
  • To move or run away quickly. 

  • To spill; to scatter. 

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

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