dunking vs submergence

dunking

noun
  • The act or process of briefly submerging or immersing an object or person in a liquid, as in dunking a cookie in milk, or dunking a playmate in the swimming pool. 

  • Forcefully thrusting the ball through the basket from above. 

submergence

noun
  • The act of submerging or the state of being submerged; submersion. 

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