organization vs professors

organization

noun
  • A major league club and all its farm teams. 

  • The quality of being organized. 

  • A group of people or other legal entities with an explicit purpose and written rules. 

  • A group of people consciously cooperating. 

  • The way in which something is organized, such as a book or an article. 

professors

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