pain in the neck vs tormentor

pain in the neck

noun
  • Someone or something which is annoying, irritating or inconvenient. 

tormentor

noun
  • One who torments; a person, animal, or object that causes suffering. 

  • An implement for reducing a stiff soil, resembling a harrow, but running upon wheels. 

  • Something abstract that causes suffering. 

  • One of a pair of narrow curtains just behind the front curtain and teaser that mask the areas on the sides of the stage and can be adjusted to the desired width. 

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