revel vs scuba diving

revel

noun
  • A wake for the dead. 

  • A kind of dance. 

  • An instance of merrymaking; a celebration. 

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

  • To take delight (in something). 

scuba diving

noun
  • Underwater swimming using scuba equipment. 

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