excellent vs subnormal

excellent

adj
  • Having excelled, having surpassed. 

  • Superior in kind or degree, irrespective of moral quality. 

  • Exceptionally good of its kind. 

  • Of higher or the highest quality; splendid. 

subnormal

adj
  • denormal 

  • Less than normal. 

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. 

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