frigidity vs reticence

frigidity

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

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

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

reticence

noun
  • A silent and reserved nature. 

  • Followed by of: discretion or restraint in the use of something. 

  • Often followed by to: hesitancy or reluctance (to do something). 

  • Avoidance of saying or reluctance to say too much; discretion, tight-lippedness; (countable) an instance of acting in this manner. 

verb
  • To deliberately not listen or pay attention to; to disregard, to ignore. 

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