pretext vs uncloak

pretext

verb
  • To employ a pretext, which involves using a false or contrived purpose for soliciting the gain of something else. 

noun
  • A false, contrived, or assumed purpose or reason; a pretense. 

uncloak

verb
  • To become visible again by turning off a cloaking device. 

  • To remove a cloak or cover from; to deprive of a cloak or cover; to unmask; to reveal. 

  • To remove one's cloak. 

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