drapery vs trapping

drapery

noun
  • Cloth draped gracefully in folds. 

  • The occupation of a draper; cloth-making, or dealing in cloth. 

  • A piece of cloth, hung vertically as a curtain; a drape. 

  • Cloth, or woollen materials in general. 

trapping

noun
  • An ornamental covering or harness for a horse; caparison. 

  • An instance of ensnaring something or someone. 

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