hide vs unfold

hide

verb
  • 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. 

  • To beat with a whip made from hide. 

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. 

unfold

verb
  • To open (anything covered or closed); to lay open to view or contemplation; to bring out in all the details, or by successive development. 

  • To undo a folding. 

  • To release from a fold or pen. 

  • To turn out; to happen; to develop. 

  • To reveal. 

noun
  • In functional programming, a kind of higher-order function that is the opposite of a fold. 

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