frigid vs lovesick

frigid

adj
  • Chilly in manner; lacking affection or zeal; impassive. 

  • Sexually unresponsive, especially of a woman. 

  • Very cold; lacking warmth; icy. 

lovesick

adj
  • Behaving oddly, or as though in distress, due to being overcome by feelings of love. 

  • Having an aching desire for one's beloved. 

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