embarrassment vs nightmare

embarrassment

noun
  • A state of discomfort arising from bashfulness or consciousness of having violated a social rule; humiliation. 

  • A state of confusion; hesitation; uncertainty 

  • Impairment of function due to disease: respiratory embarrassment. 

  • A large collection of good or valuable things, especially one that exceeds requirements. 

  • A person or thing which is the cause of humiliation to another. 

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 embarrassment and nightmare occurred in a corpus of books? (source: Google Ngram Viewer )