splurge vs spree

splurge

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. 

noun
  • An extravagant indulgence; a spending spree. 

  • An extravagant or ostentatious display. 

spree

verb
  • To engage in a spree. 

noun
  • Uninhibited activity. 

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