conceal vs lay out

conceal

verb
  • To hide something from view or from public knowledge, to try to keep something secret. 

lay out

verb
  • To arrange in a certain way, so as to spread or space apart; to display (e.g. merchandise or a collection). 

  • To concoct; think up. 

  • To prepare a body for burial. 

  • To lie in the sunshine. 

  • To expend or contribute money to an expense or purchase. 

  • To render (someone) unconscious; to knock out; to cause to fall to the floor. 

  • simple past tense of lie out 

  • To scold or berate. 

  • To explain; to interpret. 

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