barricade vs shirk

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. 

shirk

verb
  • To avoid, especially a duty, responsibility, etc.; to stay away from. 

  • To evade an obligation; to avoid the performance of duty, as by running away. 

  • To procure by petty fraud and trickery; to obtain by mean solicitation. 

noun
  • One who shirks, who avoids a duty or responsibility. 

  • The unforgivable sin of idolatry. 

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