coath vs nightmare

coath

noun
  • An attack of illness, such as swooning, pangs of childbirth, etc. 

  • Sickness; disease; pestilence. 

  • A disease affecting sheep or cattle. 

verb
  • To faint. 

  • To give (sheep, cattle) the coe or rot. 

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