clear away vs wash off

clear away

verb
  • To dispose of, to get rid of, to remove. 

  • To tidy up, to remove mess or obstacles from a place to make it neat. 

  • To prepare some object for use by removing obstacles, untying or unfastening it. 

  • To leave, disappear 

wash off

verb
  • To remove (or be removed) by washing. 

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