lipwork vs pretense

lipwork

noun
  • Synonym of lip service (“promising but empty talk; words absent of real action or intention”) 

  • Articles made from straw. 

pretense

noun
  • Intention or purpose not real but professed. 

  • An insincere attempt to reach a specific condition or quality. 

  • A false or hypocritical profession 

  • An unsupported claim made or implied. 

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