bottle deposit vs repayment

bottle deposit

noun
  • A monetary deposit collected at the point of sale when a bottled beverage is purchased, and fully or partially refunded when the empty bottle is returned. 

repayment

noun
  • The money or other item that is repaid. 

  • The act of revenge, an act of revenge. 

  • The act of repaying. 

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