menace vs nightmare

menace

noun
  • A perceived threat or danger. 

  • An annoying and bothersome person or thing. 

  • The act of threatening. 

verb
  • To endanger (someone or something); to imperil or jeopardize. 

  • To threaten (an evil to be inflicted). 

  • To make threats against (someone); to intimidate. 

nightmare

noun
  • Any bad, miserable, difficult or terrifying situation or experience that arouses anxiety, terror, agony or great displeasure. 

  • A very bad or frightening dream. 

  • A feeling of extreme anxiety or suffocation experienced during sleep; Sleep paralysis. 

verb
  • To have a nightmare. 

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