sadomasochism vs spanking

sadomasochism

noun
  • Sadism and masochism: the (often sexual) enjoyment by one person of both inflicting and receiving pain. 

  • The practices of sadism and masochism collectively, usually in reference to consensual practices within the BDSM community. 

spanking

noun
  • An incident of such punishment, or such physical act in a non-punitive context, such as a birthday spanking. 

  • A form of physical punishment in which a beating is applied to the buttocks. 

adj
  • Fast and energetic. 

  • Brisk and fresh. 

adv
  • An intensifier. 

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