frigidity vs intimacy

frigidity

noun
  • The state of being frigid; coldness; lack of heat. 

  • Coldness of feeling, manner or quality; lack of ardor, animation or vivacity. 

  • Lack of natural heat and vigor of body; impotency. 

intimacy

noun
  • Feeling or atmosphere of closeness and openness towards someone else, not necessarily involving sexuality. 

  • Intimate relationship. 

  • Intimate detail, (item of) intimate information. 

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