grudge vs umbrage

grudge

noun
  • Deep-seated and/or long-term animosity or ill will about something or someone, especially due to a past misdeed or mistreatment. 

verb
  • To be unwilling to give or allow (someone something). 

umbrage

noun
  • A feeling of anger or annoyance caused by something offensive. 

  • A feeling of doubt. 

  • Leaves that provide shade, as the foliage of trees. 

verb
  • To shade. 

  • To displease or cause offense. 

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