hush vs storminess

hush

verb
  • To make quiet. 

  • To appease; to allay; to soothe. 

  • To become quiet. 

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

noun
  • A mining method using water 

  • A silence, especially after some noise 

storminess

noun
  • The state or quality of being stormy 

  • The severity of a storm 

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