nightmare vs recoil

nightmare

verb
  • To have a 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. 

recoil

verb
  • To pull back, especially in disgust, horror or astonishment. 

  • To quickly push back when fired 

noun
  • A starting or falling back; a rebound; a shrinking. 

  • The energy transmitted back to the shooter from a firearm which has fired. Recoil is a function of the weight of the weapon, the weight of the projectile, and the speed at which it leaves the muzzle. 

  • An escapement in which, after each beat, the scape-wheel recoils slightly. 

  • The state or condition of having recoiled. 

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