crow scarer vs potato-bogle

crow scarer

noun
  • A type of firecracker used by farmers to scare crows and other birds. 

  • Synonym of scarecrow (“effigy fixed to a pole in a field to deter birds from eating crops or seeds planted there”) 

  • A farmhand employed to scare birds from the fields. 

potato-bogle

How often have the words crow scarer and potato-bogle occurred in a corpus of books? (source: Google Ngram Viewer )