pygmy vs stunted

pygmy

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

  • Relating or belonging to the Pygmy people. 

noun
  • Any dwarfish person or thing. 

  • An insignificant person, at least in some respect. 

  • A member of a race of dwarfs. 

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

stunted

adj
  • Of a person: shorter than usual for one's age. 

  • prevented from growing or developing 

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