disguise vs secrete

disguise

verb
  • To avoid giving away or revealing (something secret); to hide by a false appearance. 

  • To change the appearance of (a person or thing) so as to hide, or to assume an identity. 

noun
  • The act or state of disguising, notably as a ploy. 

  • The appearance of something on the outside which masks what’s beneath. 

  • Material (such as clothing, makeup, a wig) used to alter one’s visual appearance in order to hide one's identity or assume another. 

secrete

verb
  • To conceal. 

  • To extract a substance from blood, sap, or similar to produce and emit waste for excretion or for the fulfilling of a physiological function. 

  • To exude or yield. 

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