hidrosis vs lather

hidrosis

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). 

lather

noun
  • Foam from profuse sweating, as of a horse. 

  • A state of agitation. 

  • The foam made by rapidly stirring soap and water. 

verb
  • To form lather or froth, as a horse does when profusely sweating. 

  • To cover with lather. 

  • To beat or whip. 

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