scholar vs theoretician

scholar

noun
  • A specialist in a particular branch of knowledge. 

  • someone who received a prestigious scholarship 

  • A student; one who studies at school or college, typically having a scholarship. 

  • A learned person; a bookman. 

theoretician

noun
  • someone who is expert in the theory of a particular science or art 

  • a theorist 

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