professor vs pundit

professor

noun
  • A teacher or faculty member at a college or university regardless of formal rank. 

  • The most senior rank for an academic at a university or similar institution, informally also known as "full professor." 

  • A pianist in a saloon, brothel, etc. 

  • The puppeteer who performs a Punch and Judy show; a Punchman. 

pundit

noun
  • An expert in a particular field, especially as called upon to provide comment or opinion in the media; a commentator, a critic. 

  • A native surveyor in British India, trained to carry out clandestine surveillance beyond British borders. 

  • A learned person in India; someone with knowledge of Sanskrit, philosophy, religion and law; a Hindu scholar. 

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