pseudonym vs veneer

pseudonym

noun
  • A fictitious name (more literally, a false name), as those used by writers and movie stars. 

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