bitterness vs chills

bitterness

noun
  • Harsh cold. 

  • The quality of eliciting a bitter, humiliating or harsh feeling. 

  • The quality of having a bitter taste. 

  • The quality of feeling bitter; acrimony, resentment; the quality of exhibiting such feelings. 

chills

noun
  • A feeling of being cold, a symptom of many conditions. 

  • A biological response to being tickled; being cold; or experiencing fear, euphoria or sexual arousal in which the person forms goose bumps. 

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