non-descriptive vs normative

non-descriptive

adj
  • Not descriptive; failing to provide a description. 

normative

adj
  • Of or pertaining to a norm or standard. 

  • Conforming to a norm or norms. 

  • Attempting to establish or prescribe a norm. 

noun
  • A regulation imposed to preserve a norm. 

How often have the words non-descriptive and normative occurred in a corpus of books? (source: Google Ngram Viewer )