grievance vs ill will

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. 

ill will

noun
  • A spiteful or vengeful attitude; a grudge; dislike. 

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