mathematician vs multiplication

mathematician

noun
  • An expert on mathematics. 

multiplication

noun
  • A calculation involving multiplication. 

  • The process of computing the sum of a number with itself a specified number of times, or any other analogous binary operation that combines other mathematical objects. 

  • The process of multiplying or increasing in number; increase. 

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