come to a stop vs tail off

come to a stop

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

  • To stop moving or being active; to stop. 

tail off

verb
  • To gradually subside or diminish; to tail away. 

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