dehydration vs dunking

dehydration

noun
  • The act or process of removing water from something. 

  • The condition in which water in the body drops below normal levels, usually caused by illness, sweating or by not drinking enough. 

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. 

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