downfall vs prang

downfall

noun
  • The cause of such a fall; a critical blow or error. 

  • A precipitous decline in fortune; death or rapid deterioration, as in status or wealth. 

  • An act of falling down. 

verb
  • To fall down; deteriorate; decline. 

prang

noun
  • An accident involving a motor vehicle, typically minor and without casualties. 

  • A type of tower or spire featured in some Buddhist temples of Cambodia and Thailand. 

  • Crack cocaine. 

verb
  • To crash; to have an accident while controlling a vehicle. 

  • To damage (the vehicle one is driving) in an accident; to have a minor collision with (another motor vehicle). 

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