imprudence vs spanker

imprudence

noun
  • An imprudent act. 

  • The quality or state of being imprudent; lack of prudence, caution, discretion or circumspection. 

spanker

noun
  • Someone who spanks. 

  • An instrument used to give someone a spanking or spank, such as a paddle. 

  • A fore-and-aft gaff-rigged sail on the aft-most mast of a square-rigged vessel. 

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