collector vs treasurer

collector

noun
  • A mafioso whose task is to collect protection money from small businesses 

  • One holding a Bachelor of Arts in Oxford, formerly appointed to superintend some scholastic proceedings in Lent. 

  • A person who is employed to collect payments. 

  • A major sewer which collects sewerage from a number of smaller branch sewers 

  • A person who or thing that collects, or which creates or manages a collection. 

  • The amplified terminal on a bipolar junction transistor. 

  • A compiler of books; one who collects scattered passages and puts them together in one book. 

treasurer

noun
  • The official entrusted with the funds and revenues of an organization such as a club. 

  • The government official in charge of the Treasury. 

  • The head of a corporation's treasury department. 

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