offend vs rankle

offend

verb
  • To annoy, cause discomfort or resent. 

  • To transgress or violate a law or moral requirement. 

  • To hurt the feelings of; to displease; to make angry; to insult. 

  • To feel or become offended; to take insult. 

  • To physically harm, pain. 

  • To sin, transgress divine law or moral rules. 

rankle

verb
  • To cause irritation or deep bitterness. 

  • To fester. 

noun
  • A festering, embittering object or condition, either mental, or a physical sore or ulcer. 

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