loiter vs skulk

loiter

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

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. 

skulk

noun
  • A stealthy or furtive gait or way of moving. 

  • The act of moving in a stealthy or furtive way. 

  • A group of people seen as being fox-like (e.g. cunning, dishonest, or having nefarious plans). 

  • A group of foxes. 

  • The act of avoiding an obligation or responsibility. 

verb
  • To avoid an obligation or responsibility. 

  • To stay where one cannot be seen, conceal oneself (often in a cowardly way or with the intent of doing harm). 

  • To move in a stealthy or furtive way; to come or go while trying to avoid detection. 

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