acharya vs tutor

acharya

noun
  • an individual who practices or is knowledgeable on any of the prevalent disciplines of customs, learning, rituals, arts, traditions, schools etc., especially one imparting them into pupils. 

  • a scholar, practitioner, professional, specialist, disciplinarian imparting knowledge. 

tutor

noun
  • One who teaches another (usually called a student, learner, or tutee) in a one-on-one or small-group interaction. 

  • A card that allows one to search one's deck for one or more other cards. 

  • A university officer responsible for students in a particular hall. 

verb
  • To fetch a card from one's deck. 

  • To instruct or teach, especially an individual or small group. 

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