professor vs savant

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. 

savant

noun
  • A person of learning, especially one who is versed in literature or science. 

  • A person who is considered eminent because of their achievements. 

  • A person with significant mental disabilities who is very gifted in one area of activity, such as playing the piano or mental arithmetic. 

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