hortative vs motivational

hortative

adj

  • Urging, exhorting, or encouraging. 

  • Of a mood or class of imperative subjunctive moods of a verb for giving strong encouragement. 

noun

  • A mood or class of imperative subjunctive moods of a verb for giving strong encouragement. 

motivational

adj

  • Tending or intended to motivate. 

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