gassing vs punishment

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. 

punishment

noun
  • Any harsh treatment or experience; rough handling. 

  • A penalty to punish wrongdoing, especially for crime. 

  • The act or process of punishing, imposing and/or applying a sanction. 

  • A suffering by pain or loss imposed as retribution 

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