disclose vs uncloak

disclose

verb
  • To uncover, physically expose to view. 

  • To expose to the knowledge of others; to make known, state openly, reveal. 

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 disclose and uncloak occurred in a corpus of books? (source: Google Ngram Viewer )