dejection vs subnormal

dejection

noun
  • A low condition; weakness; inability. 

  • The act of humbling or abasing oneself. 

  • A state of melancholy or depression; low spirits, the blues. 

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