naive vs subnormal

naive

noun
  • A naive person; a greenhorn. 

adj
  • Produced in a simple, childlike style, deliberately rejecting sophisticated techniques. 

  • Lacking worldly experience, wisdom, or judgement; unsophisticated. 

  • Intuitive; designed to follow the way ordinary people approach a problem. 

  • Not having been exposed to something. 

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 naive and subnormal occurred in a corpus of books? (source: Google Ngram Viewer )