discriminative vs unique

discriminative

adj
  • Having or relating to the ability to discriminate between things. 

  • Which serves to distinguish its bearer. 

unique

adj
  • Being the only one of its kind; unequaled, unparalleled or unmatched. 

  • Of a rare quality, unusual. 

  • Of a feature, such that only one holder has it. 

  • Particular, characteristic. 

noun
  • A thing without a like; something unequalled or unparallelled; one of a kind. 

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