nastygram vs stinker

nastygram

noun
  • A written communication containing unpleasant material, especially one that criticizes, insults, or intimidates the recipient. 

stinker

noun
  • Something difficult (e.g. a given puzzle) or unpleasant (e.g. negative review, nasty letter). 

  • Something of poor quality. 

  • Any of several species of large Antarctic petrels which feed on blubber and carrion and have an offensive odour, such as the giant fulmar. 

  • One who stinks. 

  • A chemist. 

  • A hot day. 

  • A contemptible person or thing. 

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