pygmy vs subnormal

pygmy

noun
  • An insignificant person, at least in some respect. 

  • Any dwarfish person or thing. 

  • A member of a race of dwarfs. 

  • A member of one of various Ancient Equatorial African tribal peoples, notable for their very short stature. 

adj
  • Relating or belonging to the Pygmy people. 

  • Like a pygmy; unusually short or small for its kind. 

subnormal

noun
  • A person whose abilities are less than normal. 

  • That part of the axis of a curved line which is intercepted between the ordinate and the normal. 

adj
  • denormal 

  • Less than normal. 

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