come to a stop vs discontinue

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. 

discontinue

verb
  • To interrupt the continuance of; to put an end to, especially as regards commercial productions; to stop producing, making, or supplying. 

  • To consciously cease the ingestion or administration of (a pharmaceutical drug). 

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