nastygram vs opprobrium

nastygram

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

opprobrium

noun
  • Disgrace or bad reputation arising from exceedingly shameful behaviour; ignominy. 

  • Scornful contempt or reproach; (countable) an instance of this. 

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