sudation vs sudorific

sudation

noun

  • Perspiration; sweat (fluid). 

  • The process of perspiring. 

sudorific

noun

  • A medicine that produces sweating. 

adj

  • In a state of perspiration; covered in sweat; sudoriferous, sweaty. 

  • That produces sweating. 

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