conceal vs endue

conceal

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

endue

verb
  • To invest (someone) with a given quality, property etc.; to endow. 

  • To put on (a piece of clothing); to clothe (someone with something). 

  • To take on, to take the form of. 

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