commode vs den

commode

noun
  • A chair containing a chamber pot. 

  • A stand for a washbowl and jug. 

  • A toilet. 

  • A kind of woman's headdress, raising the hair and fore part of the cap to a great height. 

  • A low chest of drawers on short legs. 

den

noun
  • A comfortable room not used for formal entertaining. 

  • Synonym of fort (“structure improvised from furniture, etc. for playing games.”) 

  • A group of Cub Scouts of the same age who work on projects together. 

  • A small cavern or hollow place in the side of a hill, or among rocks; especially, a cave used by a wild animal for shelter or concealment. 

  • A squalid or wretched place; a haunt. 

verb
  • To ensconce or hide oneself in (or as in) a den. 

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