choke out vs damp down

choke out

verb
  • To extinguish (fire) (by depriving it of oxygen or fuel). 

  • To cause (a person) to lose consciousness by applying a chokehold. 

  • To say (something) with difficulty, while or as if choking. 

  • To destroy (something) by depriving it of a vital resource. 

  • To prevent (light) from passing through. 

  • To prevent (something) from growing by overwhelming it or robbing it of nutrients. 

damp down

verb
  • to reduce the intensity of (a fire) 

  • to reduce the intensity of (an emotion or problem) 

How often have the words choke out and damp down occurred in a corpus of books? (source: Google Ngram Viewer )