splurge vs underwriting

splurge

noun
  • An extravagant indulgence; a spending spree. 

  • An extravagant or ostentatious display. 

verb
  • To (cause to) gush; to flow or move in a rush. 

  • To spend lavishly or extravagantly, especially money. 

  • To produce an extravagant or ostentatious display. 

underwriting

noun
  • The act of something being underwritten financially. 

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