frigid vs stonyhearted

frigid

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

  • Sexually unresponsive, especially of a woman. 

  • Very cold; lacking warmth; icy. 

stonyhearted

adj
  • Cruel, compassionless, discompassionate, as if having a heart made of stone. 

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