cohortative vs exhorting

cohortative

noun
  • The cohortative mood. 

adj
  • Inflected to express plea, insistence, imploring, self-encouragement, wish, desire, intent, command, purpose, or consequence. 

  • Encouraging. 

exhorting

noun
  • exhortation 

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