gassing vs strangulation

gassing

noun
  • Any similar process of singeing. 

  • boasting; insincere or empty talk 

  • The process of passing cotton goods between two rollers and exposing them to numerous minute jets of gas to burn off the small fibres. 

  • Poisoning by noxious gas. 

  • The liberation of hydrogen from an overcharged battery due to electrolysis of the electrolyte. 

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 gassing and strangulation occurred in a corpus of books? (source: Google Ngram Viewer )