earnest money vs repayment

earnest money

noun
  • Money paid as a deposit to show intent to buy or to reserve an item to be purchased; especially, money accompanying an offer to buy real estate. 

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 earnest money and repayment occurred in a corpus of books? (source: Google Ngram Viewer )