prang vs write off

prang

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

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

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

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

  • Crack cocaine. 

write off

verb
  • To treat as a write-off, a total loss, especially something damaged beyond economic repair. 

  • To record (an expenditure) as an expense. 

  • To remove a portion of a debt or an amount of an account owed, counting it as a loss (as a gesture of goodwill for example). 

  • To reduce the book value of (an asset) to zero. 

  • To record a notional expense such as amortization or depreciation. 

  • To assign a low value to (something). 

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