neb vs piehole

neb

noun
  • A person's nose. 

  • A nib, as of a pen. 

  • A bird's beak or bill. 

  • The peak of a flat cap. 

  • The nose or snout of an animal, now especially of a fish. 

  • A projecting extremity; a point or sharp projection. 

piehole

noun
  • A person's mouth. 

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