discontinue vs loiter

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). 

loiter

verb
  • To remain at a certain place instead of moving on. 

  • To stand about without any aim or purpose; to stand about idly. 

  • For an aircraft to remain in the air near a target. 

noun
  • A standing or strolling about without any aim or purpose. 

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