heteroclite vs subnormal

heteroclite

noun
  • A person who is unconventional; a maverick 

  • An irregularly declined or inflected word 

  • A word whose etymological roots come from distinct, different languages or language groups. 

adj
  • Deviating from the ordinary rule; eccentric, abnormal. 

  • Being irregularly declined or inflected. 

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