cover-up vs veneer

cover-up

noun
  • An attempt to conceal or disguise something, especially a wrongdoing or a mistake. 

  • An item of clothing to be worn over a swimsuit while not in the water. 

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