overlayer vs veneer

overlayer

noun
  • A layer of adatoms adsorbed onto a surface, as onto the surface of a single crystal. 

veneer

verb
  • To apply veneer to. 

  • To disguise with apparent goodness. 

noun
  • An attractive appearance that covers or disguises one's true nature or feelings. 

  • A thin decorative covering of fine material (usually wood) applied to coarser wood or other material. 

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