discontinue vs hold on

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). 

hold on

verb
  • To persist. 

  • To remain loyal. 

  • To grasp or grip firmly. 

  • To keep; to store something for someone. 

  • Wait a short while. 

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