choking vs smotheration

choking

noun
  • The act of trying to kill a person by strangulation. 

  • The process in which a person's airway becomes blocked, resulting in asphyxia in cases that are not treated promptly. 

  • The act of coughing when a person finds it difficult to breath. 

smotheration

noun
  • Suffocation. 

  • A sailors' dish of meat buried in potatoes. 

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