grievance vs outrage

grievance

noun
  • Feelings of being wronged; outrage. 

  • A formal complaint, especially in the context of a unionized workplace. 

  • A wrong or hardship suffered, which is the grounds of a complaint. 

  • Violation of regulations or objectionable behavior. 

  • A complaint or annoyance. 

  • Something which causes grief. 

outrage

noun
  • The resentful, indignant, or shocked anger aroused by such acts. 

  • An excessively violent or vicious attack; an atrocity. 

  • An offensive, immoral or indecent act. 

verb
  • To cause or commit an outrage upon; to treat with violence or abuse. 

  • To inspire feelings of outrage in. 

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