batting vs emptiness

batting

noun
  • Special cotton for surgery. 

  • The action of using a bat. 

  • Cotton, wool, silk or synthetic material used to stuff the inside of a mattress, quilt etc. 

  • The act of someone who bats. 

emptiness

noun
  • The state or feeling of being empty. 

  • A void; a nothingness; something lacking existence. 

  • A nonexistence; a lack of existence. 

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