febrile vs frigid

febrile

adj
  • Feverish, or having a high temperature. 

  • Involving fever as a symptom or cause. 

  • Full of nervous energy. 

frigid

adj
  • Very cold; lacking warmth; icy. 

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

  • Sexually unresponsive, especially of a woman. 

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