auger vs rutter

auger

noun
  • A tool used to bore holes in the ground, e.g. for fence posts 

  • A snake or plumber's snake (plumbing tool). 

  • A hollow drill used to take core samples of soil, ice, etc. for scientific study. 

  • A carpenter's tool for boring holes longer than those bored by a gimlet. 

verb
  • To use an auger; to drill a hole using an auger. 

  • To proceed in the manner of an auger. 

rutter

noun
  • A tool used in peat cutting or for marking off ground. 

  • A type of plough used by lumberjacks to carve a track for a sleigh. 

  • A horseman or cavalryman, especially a German one, associated with the wars of the 16th and 17th centuries. 

  • A set of instructions for navigating a course at sea; a pilot's book or seaman's guide. 

  • The penis. 

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