indulge vs slake

indulge

verb
  • To satisfy the wishes or whims of. 

  • To grant an extension to the deadline of a payment. 

  • To give way to (a habit or temptation); to not oppose or restrain. 

  • To grant as by favour; to bestow in concession, or in compliance with a wish or request. 

  • To yield to a temptation or desire. 

slake

verb
  • To satisfy (thirst, or other desires). 

  • To cool (something) with water or another liquid. 

  • To become mixed with water, so that a true chemical combination takes place. 

  • To besmear. 

  • To mix with water, so that a true chemical combination takes place. 

noun
  • A sloppy mess. 

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