erotic vs frigid

erotic

adj
  • Relating to or tending to arouse sexual desire or excitement. 

noun
  • An amorous composition or poem. 

frigid

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

  • Sexually unresponsive, especially of a woman. 

  • Very cold; lacking warmth; icy. 

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