lay open vs unclothe

lay open

verb
  • To open (something) through cutting or scissoring. 

  • To expose or reveal (something). 

  • To publish a patent for initial public review, prior to the formal application for registration. 

unclothe

verb
  • To strip of clothes or covering; to make naked. 

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