bloc vs severance

bloc

noun
  • A group of voters or politicians who share common goals. 

  • A group of countries acting together for political or economic goals, an alliance: e.g., the eastern bloc, the western bloc, a trading bloc, the Eurozone, the European Union. 

severance

noun
  • A separation. 

  • The act of severing or the state of being severed. 

  • A severance payment. 

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