buckram vs contracted

buckram

verb
  • To stiffen with or as if with buckram. 

noun
  • A coarse cloth of cotton, linen or hemp, stiffened with size or glue, used in bookbinding to cover and protect the books, in garments to keep them in the form intended, and for wrappers to cover merchandise. 

  • A plant, Allium ursinum, also called ramson, wild garlic, or bear garlic. 

contracted

adj
  • Arranged by contract; established by agreement. 

  • Incurred; acquired. 

  • Made smaller by contraction. 

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