revel vs spark up

revel

verb
  • To make merry; to have a happy, lively time. 

  • To take delight (in something). 

noun
  • A kind of dance. 

  • An instance of merrymaking; a celebration. 

  • A wake for the dead. 

spark up

verb
  • to make more exotic or fun 

  • To provide electrification. 

  • To initiate (a conversation, debate etc.) 

  • to rekindle 

  • To light up; light a cigarette or start smoking a pipe, bong, etc. 

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