choking vs traffic jam

choking

noun
  • 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. 

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

traffic jam

noun
  • A situation in which road traffic accumulates until it is stationary or very slow. 

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