apparition vs sheen

apparition

noun
  • An act of becoming visible; appearance; visibility. 

  • An unexpected, wonderful, or preternatural appearance; especially something such as a ghost or phantom. 

  • The first appearance of a star or other luminary after having been invisible or obscured; opposed to occultation. 

  • A period of consecutive days or nights when a particular celestial body may be observed, beginning with the heliacal rising of the body and ending with its heliacal setting. 

  • The thing appearing; a visible object; a form. 

sheen

noun
  • Splendor; radiance; shininess. 

  • A thin layer of a substance (such as oil) spread on a solid or liquid surface. 

  • The letter ش in the Arabic script. 

adj
  • Beautiful, good-looking, attractive; radiant; shiny. 

verb
  • To shine; to glisten. 

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