subnormal vs unfortunate

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. 

unfortunate

noun
  • An unlucky person; one who has fallen into bad circumstances. 

adj
  • marked or accompanied by or resulting in misfortune 

  • not favored by fortune 

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