mascaron vs veneer

mascaron

noun
  • A carved, ornamental face, usually human, sometimes frightening or chimeric whose alleged function was originally to frighten away evil spirits so that they would not enter the building. 

veneer

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. 

verb
  • To apply veneer to. 

  • To disguise with apparent goodness. 

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