decoration vs macula

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. 

macula

noun
  • An oval yellow spot near the center of the retina of the human eye, histologically defined as having two or more layers of ganglion cells, responsible for detailed central vision. 

  • In planetary geology, an unusually dark area on the surface of a planet or moon. 

  • A small chamber of the inner ear of certain vertebrates filled with endolymph and containing an otolith. 

  • A spot, as on the skin, or on the surface of the sun or of some other luminous orb. 

  • A rather large spot or blotch of color. 

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