hide vs unmask

hide

verb
  • To beat with a whip made from hide. 

  • To put (something) in a place where it will be harder to discover or out of sight. 

  • To put oneself in a place where one will be harder to find or out of sight. 

noun
  • A secret room for hiding oneself or valuables; a hideaway. 

  • The skin of an animal. 

  • (mainly British) A covered structure from which hunters, birdwatchers, etc can observe animals without scaring them. 

  • One's own life or personal safety, especially when in peril. 

  • A covered structure to which a pet animal can retreat, as is recommended for snakes. 

  • A unit of land and tax assessment of varying size, originally as intended to support one household with dependents. 

unmask

verb
  • To remove a mask from someone. 

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

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

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

  • To remove one's mask. 

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