come to a stop vs quieten

come to a stop

verb
  • To stop moving or being active; to stop. 

  • To reach a point where little progress is being made; to come to an impasse; to stop. 

quieten

verb
  • To become quiet. 

  • To make quiet. 

How often have the words come to a stop and quieten occurred in a corpus of books? (source: Google Ngram Viewer )