buckling vs capitulation

buckling

noun
  • The action of collapsing under pressure or stress. 

  • The act of fastening a buckle. 

  • A folding into hills and valleys. 

  • A young male domestic goat of between one and two years. 

  • Smoked herring. 

adj
  • Wavy; curly, as hair. 

capitulation

noun
  • The act of capitulating or surrendering to an enemy upon stipulated terms; the act of ceasing to resist an opponent or an unwelcome demand. 

  • The instrument containing the terms of an agreement or surrender. 

  • A reducing to heads or articles; a formal agreement. 

  • An enumeration of the main parts of a subject. 

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