dampness vs diaphoresis

dampness

noun
  • Moderate humidity; moisture; moistness; the state or quality of being damp. 

  • The degree to which something is damp or moist. 

diaphoresis

noun
  • The formation and excretion of sweat; sweating; perspiration; and (sometimes, more particularly) 

  • Excessive sweating; excessive perspiration (more than would be expected in response to a given stimulus; especially when profuse as a symptom of disease or a side effect of a drug). 

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