expedition vs intervention

expedition

noun
  • The process or activities of performing expediter tasks. 

  • An important or long journey, for example a march or a voyage 

  • The group of people making such excursion. 

  • A military journey; an enterprise against some enemy or into enemy territory. 

  • A trip, especially a long one, made by a person or a group of people for a specific purpose 

verb
  • To take part in a trip or expedition; to travel. 

intervention

noun
  • An action taken or procedure performed; an operation. 

  • An orchestrated attempt to convince somebody with an addiction or other psychological problem to seek professional help and/or change their behavior. 

  • The action of intervening; interfering in some course of events. 

  • A legal motion through which a person or entity who has not been named as a party to a case seeks to have the court order that they be made a party. 

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