antiperspirant vs antitranspirant

antiperspirant

noun
  • A substance used to minimize sweating or perspiration, and usually applied to the underarm area. 

antitranspirant

noun
  • A substance applied to plant leaves to reduce transpiration. 

adj
  • Reducing transpiration in plants. 

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