buckram vs mound

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. 

mound

verb
  • To force or pile into a mound or mounds. 

  • To form a mound. 

  • To fortify with a mound; add a barrier, rampart, etc. to. 

noun
  • The mons veneris. 

  • Elevated area of dirt upon which the pitcher stands to pitch. 

  • A natural elevation appearing as if thrown up artificially; a regular and isolated hill, hillock, or knoll. 

  • A ball or globe forming part of the regalia of an emperor or other sovereign. It is encircled with bands, enriched with precious stones, and surmounted with a cross. 

  • An artificial hill or elevation of earth; a raised bank; an embankment thrown up for defense 

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