sheen vs tarnish

sheen

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

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. 

verb
  • To shine; to glisten. 

tarnish

verb
  • To compromise, damage, soil, or sully. 

  • To lose its lustre or attraction; to become dull. 

  • To oxidize or discolor due to oxidation. 

noun
  • Oxidation or discoloration, especially of a decorative metal exposed to air. 

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