deaden vs hush

deaden

verb
  • To render less lively; to diminish; to muffle. 

  • To become less lively; to diminish (by itself). 

  • To make soundproof. 

hush

verb
  • To appease; to allay; to soothe. 

  • To make quiet. 

  • 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 

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