calm vs showdown

calm

verb
  • To become calm. 

  • To make calm. 

adj
  • with few or no waves on the surface; not rippled. 

  • Peaceful, quiet, especially free from anger and anxiety. 

  • Free of noise and disturbance. 

  • Without wind or storm. 

noun
  • The state of being calm; peacefulness; absence of worry, anger, fear or other strong negative emotion. 

  • A period of time without wind. 

  • The state of being calm; absence of noise and disturbance. 

showdown

noun
  • The final battle between two nemeses, in which there can be but one victor. 

  • The final round in a poker match, where the all remaining players' cards have to be put down on the table and shown. 

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