barricade vs let

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 

let

noun
  • An obstacle or hindrance. 

  • The hindrance caused by the net during serve, only if the ball falls legally. 

  • The allowing of possession of a property etc. in exchange for rent. 

verb
  • To give, grant, or assign, as a work, privilege, or contract; often with out. 

  • Used to introduce a first or third person imperative verb construction. 

  • To cause (+ bare infinitive). 

  • To allow the release of (a fluid). 

  • To allow possession of (a property etc.) in exchange for rent. 

  • To allow to be or do without interference; to not disturb or meddle with; to leave (someone or something) alone. 

  • To allow to, not to prevent (+ infinitive, but usually without to). 

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