barricade vs crisis

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 

crisis

noun
  • A point in a drama at which a conflict reaches a peak before being resolved. 

  • A crucial or decisive point or situation; a turning point. 

  • A traumatic or stressful change in a person's life. 

  • A sudden change in the course of a disease, usually at which point the patient is expected to either recover or die. 

  • An unstable situation, in political, social, economic or military affairs, especially one involving an impending abrupt change. 

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