hyperhidrosis vs sudation

hyperhidrosis

noun
  • A medical condition with the primary symptom of excessive sweating, in excess of that required for regulation of body temperature. 

sudation

noun
  • Perspiration; sweat (fluid). 

  • The process of perspiring. 

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