buckram vs unroll

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. 

unroll

verb
  • To straighten something that has been rolled, twisted or curled. 

  • To emerge, be revealed or become apparent; to unfold. 

  • To replace (a loop in a program) with a repetitive sequence of the individual instructions that the loop would carry out, sometimes used as an optimization. 

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