parching vs stifling

parching

adj
  • Causing something or someone to parch; extremely drying. 

  • Very thirsty; parched. 

noun
  • The condition of being parched; absolute dryness. 

  • The process of parching or roasting something, such as corn. 

stifling

adj
  • The heat was stifling; it seemed hard to breathe and the exertion of rolling over on the bed seemed too much. 

  • That stifles. 

noun
  • The act by which something is stifled. 

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