settee vs zabuton

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. 

zabuton

noun
  • A Japanese cushion for sitting. 

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