barricade vs quarantine

barricade

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

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

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

  • An obstacle, barrier, or bulwark. 

  • A place of confrontation. 

quarantine

verb
  • Synonym of restrict. 

  • To place into isolation to prevent the spread of any contagious disease. 

  • To enter or stay in quarantine, particularly to self-quarantine to avoid an epidemic disease. 

  • Synonym of isolate more generally. 

noun
  • A 40-day period formerly imposed by the French king upon warring nobles during which they were forbidden from exacting revenge or continuing to fight. 

  • An isolation of one program, drive, computer, etc. from the rest of a computer network to limit the damage from a bug, computer virus, etc.. 

  • A blockade of trade, suspension of diplomatic relations, or other action whereby one country seeks to isolate another. 

  • The 40-day period during which a widow is entitled to remain in her deceased husband's home while any dower is collected and returned. 

  • The program, drive, computer, etc. thus isolated. 

  • A similar period, instance, or state of rigidly enforced or self-enforced detention or isolation. 

  • A period, instance, or state of isolation from the general public or from native livestock and flora enacted to prevent the spread of any contagious disease. 

  • A period of 40 days, particularly 

  • The 40-day period of isolation required after 1448 at Venice's lazaret to avoid renewed outbreaks of the bubonic plague and identical policies in other locations. 

  • A place where such isolation is enforced, a lazaret. 

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