calm vs hush

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. 

hush

verb
  • To become quiet. 

  • To make quiet. 

  • To appease; to allay; to soothe. 

  • To clear off soil and other materials overlying the bedrock. 

noun
  • A mining method using water 

  • A silence, especially after some noise 

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