chancellery vs institution

chancellery

noun
  • The building in which such an office is situated 

  • The rank or post of a chancellor 

  • The office or staff of a chancellor 

institution

noun
  • The building or buildings which house such an organization. 

  • Any long established and respected place or business. 

  • The act of instituting something. 

  • A custom or practice of a society or community. 

  • A person long established in a place, position, or field. 

  • A mental institution. 

  • A long established and respected organization, particularly one involved with education, public service, or charity work. 

  • The act by which a bishop commits a cure of souls to a priest. 

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