fingerbreadth vs hundredweight

fingerbreadth

noun
  • A (usually approximate and informal) unit of measurement based upon the radial width of the human finger. 

hundredweight

noun
  • Synonym of quintal, a unit of measurement containing various amounts depending on the objects weighed. 

  • A unit of measurement containing 112 avoirdupois pounds (8 st or 51 kg). 

  • A unit of measurement containing 100 avoirdupois pounds (45.5 kg). 

  • Various units of ancient measurement systems consisting of 100 units usually translated as "pounds". 

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