peewit vs pyewipe

peewit

noun
  • the pewee or peewee 

  • the Northern lapwing, Vanellus vanellus. 

  • the laughing gull 

  • the sound of the call of the peewit 

pyewipe

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