barricade vs siege

barricade

noun
  • A place of confrontation. 

  • A barrier constructed across a road, especially as a military defence 

  • An obstacle, barrier, or bulwark. 

verb
  • to close or block a road etc., using a barricade 

  • to keep someone in (or out), using a blockade, especially ships in a port 

siege

noun
  • A prolonged assault or attack. 

  • A period of struggle or difficulty, especially from illness. 

  • A prolonged military assault or a blockade of a city or fortress with the intent of conquering by force or attrition. 

  • The seat of a heron while looking out for prey. 

  • A flock of heron. 

verb
  • To assault or blockade a city or fortress with the intent of conquering by force or attrition; to besiege. 

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