advance payment vs remittance

advance payment

noun
  • The part of a contractually due sum that is paid or received in advance for a good, service or social security payment. 

remittance

noun
  • The act of sending money to someone. 

  • Money which is sent to someone, typically to someone in another country. 

  • Money sent by a foreign worker back to their home country. 

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