barricade vs brick wall

barricade

noun
  • An obstacle, barrier, or bulwark. 

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

  • A place of confrontation. 

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 

brick wall

noun
  • An obstacle. 

  • Used other than figuratively or idiomatically: see brick, wall. A wall made of bricks. 

  • Someone who is silent or unresponsive. 

  • A type of anti-aliasing filter with a steep cutoff. 

verb
  • To halt or limit abruptly. 

  • To build a brick wall around. 

  • To be uncooperative and unresponsive. 

  • To filter using a brick wall filter. 

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