acquiescence vs cartel

acquiescence

noun
  • Inaction, passivity, or neglect to take legal action when it is called for in order to assert, preserve, or safeguard a right, and which inaction implies the abandonment of said right. 

  • A silent or passive assent or submission, or a submission with apparent content, distinguished from avowed consent on the one hand, and on the other, from opposition or open discontent; quiet satisfaction. 

cartel

noun
  • A group of businesses or nations that collude to limit competition within an industry or market. 

  • A ship used to negotiate with an enemy in time of war, and to exchange prisoners. 

  • An official agreement concerning the exchange of prisoners. 

  • A written letter of defiance or challenge. 

  • A combination of political groups (notably parties) for common action. 

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