bureaucracy vs oligarchy

bureaucracy

noun
  • The body of officers and administrators, especially of a government. 

  • Government by bureaus or their administrators or officers. 

  • Excessive red tape and routine in any administration, body or behaviour. 

  • A system of administration based upon organisation into bureaus, division of labour, a hierarchy of authority, etc., designed to dispose of a large body of work in a routine manner. 

oligarchy

noun
  • Those who make up an oligarchic government. 

  • A state ruled by such a government. 

  • A government run by only a few, often the wealthy. 

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