abscise vs wash away

abscise

verb
  • To cut off. 

  • To separate by means of abscission; to shed or drop off. 

wash away

verb
  • To eliminate. 

  • To eliminate or destroy by fast-moving water, such as a flood or a high sea. 

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