decoration vs discoloration

decoration

noun
  • Specifically, any mark of honor to be worn upon the person, as a medal, cross, or ribbon of an order of knighthood, bestowed for services in war, great achievements in literature, art, etc. 

  • The use of exotic sugars as decoys to distract the immune system of a host 

  • Any item that adorns, enriches, or beautifies; something added by way of embellishment or ornamentation. 

  • The act of adorning, embellishing, or honoring; ornamentation. 

discoloration

noun
  • The act of discoloring, or the state of being discolored; alteration of hue or appearance. 

  • A discolored spot; a stain. 

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