dissimulate vs dress up

dissimulate

verb
  • To disguise or hide by adopting a false appearance. 

  • To connive at; to wink at; to pretend not to notice. 

  • To practise deception by concealment or omission, or by feigning a false appearance. 

dress up

verb
  • To put a costume on (someone) portraying them as a particular type of character or well-known person. 

  • To put on a costume portraying oneself as a particular type of character or well-known person. 

  • To present in a favorable light. 

  • To decorate; to prettify. 

  • To put on special or fancy clothes. 

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