dig out vs hush up

dig out

verb
  • To block a yorker with the bottom of the bat, at the last second. 

  • To have penetrative sexual intercourse with someone. 

  • To remove something by digging. 

  • To make something by digging. 

  • To decamp; to leave a place hastily. 

  • To find or retrieve something buried. 

hush up

verb
  • To keep secret, to prevent from becoming known. 

  • To become quiet; to cease making sounds. 

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