divan vs settee

divan

noun
  • A couch- or sofa-like piece of furniture made of a mattress lying against the wall and either on the floor or an elevated structure. 

  • The council chamber where this court is held; (by extension), any court of justice. 

  • A Muslim council of state, specifically that of viziers of the Ottoman Empire that discussed and recommended new laws and law changes to a higher authority (the sultan). 

  • A collection of poems, especially one written by an author in Arabic or Persian. 

settee

noun
  • A long seat with a back, made to accommodate several persons at once; a sofa. 

  • A vessel with a very long, sharp prow, carrying two or three masts with lateen sails, used in the Mediterranean. 

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