privative vs repellent

privative

adj
  • consisting in the absence of something; negative 

  • causing privation; depriving 

  • indicating the absence of something 

noun
  • something that causes privation or indicates an absence 

repellent

adj
  • Resistant or impervious to something. 

  • Repulsive, inspiring aversion. 

  • Tending or able to repel; driving back. 

noun
  • Someone who repels. 

  • A substance used to repel insects, other pests, or dangerous animals. 

  • A substance or treatment for a fabric etc to make it impervious to something. 

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