appease vs indulge

appease

verb
  • To come to terms with; to adapt to the demands of. 

  • To make quiet; to calm; to reduce to a state of peace; to dispel (anger or hatred). 

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. 

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