fraternity vs partnership

fraternity

noun
  • A group of people associated for a common purpose. 

  • A social organization of male students at a college or university; usually identified by Greek letters. 

  • The quality of being brothers or brotherly; brotherhood. 

partnership

noun
  • An association of two or more people to conduct a business 

  • The state of being associated with a partner. 

  • The period when two specific batsmen are batting, from the fall of one wicket until the fall of the next; the number of runs scored during this period, 

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