make nice vs propitiate

make nice

verb
  • To be friendly or conciliatory towards another, often in the context of maintaining good relations or resolving a conflict with the other person. 

propitiate

verb
  • To conciliate, appease, or make peace with someone, particularly a god or spirit. 

  • To make propitious or favourable. 

  • To make propitiation. 

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