vamoose vs walk off

vamoose

verb
  • To run away (from); to flee. 

  • To hurry. 

walk off

verb
  • To flee or abandon. 

  • To measure a distance by walking, as by counting paces or extending a measuring tape or rope. 

  • To recover from (a minor injury) or digest (a large meal) by walking around. 

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