sugarcoat vs veneer

sugarcoat

verb
  • To make superficially more attractive; to give a falsely pleasant appearance to. 

  • To coat with sugar. 

veneer

verb
  • To disguise with apparent goodness. 

  • To apply veneer to. 

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 sugarcoat and veneer occurred in a corpus of books? (source: Google Ngram Viewer )