hide vs say so

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. 

say so

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