horror vs imp

horror

noun
  • A nasty or ill-behaved person; a rascal or terror. 

  • An intense distressing emotion of fear or repugnance. 

  • A genre of fiction designed to evoke a feeling of fear and suspense. 

  • An individual work in this genre. 

  • Delirium tremens. 

  • Intense dislike or aversion; an abhorrence. 

  • Something horrible; that which excites horror. 

  • An intense anxiety or a nervous depression; often the horrors. 

imp

noun
  • A small, mischievous sprite or a malevolent supernatural creature, somewhat comparable to a demon but smaller and less powerful, formerly regarded as the child of the devil or a demon (see sense 3.2). 

  • A mischievous child. 

  • A baby Tasmanian devil. 

verb
  • To add to or unite a object with (something) to lengthen the latter out or repair it; to eke out, enlarge, strengthen. 

  • To provide (someone or something) with wings, hence enabling them or it to soar. 

  • To engraft (a feather) on to a broken feather in a bird's wing or tail to repair it; to engraft (feathers) on to a bird, or a bird's wing or tail. 

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