dampness vs murk

dampness

noun
  • The degree to which something is damp or moist. 

  • Moderate humidity; moisture; moistness; the state or quality of being damp. 

murk

noun
  • Darkness, or a dark or gloomy environment. 

verb
  • To murder or seriously injure. 

  • To make murky or be murky; to cloud or obscure, or to be clouded or obscured. 

adj
  • Dark, murky 

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