dispatch vs filibuster

dispatch

noun
  • A mission by an emergency response service, typically involving attending to an emergency in the field. 

  • A message sent quickly, as a shipment, a prompt settlement of a business, or an important official message sent by a diplomat, government official, military officer, etc. 

  • The act of doing something quickly. 

  • The passing on of a message for further processing, especially through a dispatch table. 

verb
  • To send (a shipment) with promptness. 

  • To dispose of speedily, as business; to execute quickly; to make a speedy end of; to finish; to perform. 

  • To send (a person) away hastily. 

  • To pass on for further processing, especially via a dispatch table (often with to). 

  • To rid; to free. 

  • To destroy (someone or something) quickly and efficiently. 

  • To send (an important official message) promptly, by means of a diplomat or military officer. 

  • To send (a journalist) to a place in order to report. 

filibuster

verb
  • To use obstructionist tactics in a legislative body. 

  • To take part in a private military action in a foreign country. 

noun
  • A mercenary soldier; a freebooter; specifically, a mercenary who travelled illegally in an organized group from the United States to a country in Central America or the Spanish West Indies in the mid-19th century seeking economic and political benefits through armed force. 

  • A tactic (such as giving long, often irrelevant speeches) employed to delay the proceedings of, or the making of a decision by, a legislative body, particularly the United States Senate. 

  • A member of a legislative body causing such an obstruction; a filibusterer. 

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