contradistinguish vs discriminate

contradistinguish

verb
  • To distinguish things by contrasting their different qualities. 

discriminate

verb
  • To set apart as being different; to mark as different; to separate from another by discerning differences; to distinguish. 

  • To make decisions based on prejudice. 

  • To make distinctions. 

  • To treat or affect differently, depending on differences in traits. 

adj
  • Having the difference marked; distinguished by certain tokens. 

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