anhydrous vs torrid

anhydrous

adj
  • Having little or no water. 

  • Having no water of crystallization. 

torrid

adj
  • Very hot and dry. 

  • Full of intense emotions arising from sexual love; ardent and passionate. 

  • [of a streak, form, etc.] Good, impressive, hot 

  • Full of difficulty. 

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