smuggle vs unmask

smuggle

verb
  • To thrash or be thrashed by a bear's claws, or to swipe at or be swiped at by a person's arms in a bearlike manner. 

  • To bring in surreptitiously 

  • To import or export, illicitly or by stealth, without paying lawful customs charges or duties 

unmask

verb
  • To cease engaging in masking, to cease disguising one's autism. 

  • To enable (an interrupt, etc.) by unsetting or setting the associated bit. 

  • To remove a mask from someone. 

  • To expose, or reveal the true character of someone. 

  • To remove one's mask. 

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