refusal vs sale

refusal

noun
  • The act of refusing. 

  • Depth or point at which well or borehole drilling cannot continue. 

sale

noun
  • An exchange of goods or services for currency or credit. 

  • The act of putting up for auction to the highest bidder. 

  • The sale of goods at reduced prices. 

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