calm vs lull

calm

noun
  • A period of time without wind. 

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

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

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. 

lull

noun
  • A period without waves or wind. 

  • A period of rest or soothing. 

  • An extended pause between sets of waves. 

  • A period of reduced activity; a respite 

verb
  • To cause to rest by soothing influences; to compose; to calm 

  • To become gradually calm; to subside; to cease or abate. 

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