congee vs incarceration

congee

noun
  • Leave, formal permission for some action, (originally and particularly) 

  • A type of thick rice porridge or soup, sometimes prepared with vegetables and/or meat. 

incarceration

noun
  • The act of confining, or the state of being confined; imprisonment. 

  • A constriction of the hernial sac, rendering it irreducible, but not great enough to cause strangulation. 

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