flee vs loiter

flee

verb
  • To escape from. 

  • To run away; to escape. 

  • To disappear quickly; to vanish. 

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 flee and loiter occurred in a corpus of books? (source: Google Ngram Viewer )