dissemble vs uncover

dissemble

verb
  • To disguise or conceal something. 

  • To falsely hide one's opinions or feelings. 

  • To feign. 

  • To deliberately ignore something; to pretend not to notice. 

uncover

verb
  • To show openly; to disclose; to reveal. 

  • To remove one's hat or cap as a mark of respect. 

  • To reveal the identity of. 

  • To expose the genitalia. 

  • To remove a cover from. 

  • To expose (lines of formation of troops) successively by the wheeling to right or left of the lines in front. 

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