diminutive vs pygmy

diminutive

adj
  • Very small. 

  • Of or pertaining to, or creating a word form expressing smallness, youth, unimportance, or endearment. 

noun
  • A word form expressing smallness, youth, unimportance, or endearment. For example, doggie from dog, Sophie for Sophia, darling from dear 

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. 

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