Gnostic vs discerning

Gnostic

adj
  • Of, or relating to Gnosticism 

  • Of, or relating to, intellectual or spiritual knowledge 

noun
  • A believer in Gnosticism 

discerning

adj
  • Of keen insight or good judgement; perceptive. 

noun
  • discernment 

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