drowning vs strangulation

drowning

noun
  • An instance of a person or animal drowning. 

  • An instance of a person or animal being drowned. 

strangulation

noun
  • The act of strangling or the state of being strangled. 

  • The constriction of the air passage or other body part that cuts off the flow of a fluid. 

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