parchment vs poster

parchment

noun
  • Stiff paper imitating that material. 

  • A document made on such material. 

  • The creamy to tanned color of parchment. 

  • Material, made from the polished skin of a calf, sheep, goat or other animal, used like paper for writing. 

  • The envelope of the coffee grains, inside the pulp. 

  • A diploma (traditionally written on parchment). 

poster

noun
  • A picture of a celebrity, an event etc., intended to be attached to a wall. 

  • An advertisement to be posted on a pole, wall etc. to advertise something. 

  • A shot that hits a goalpost, scoring one point. 

  • A shot that hits a goalpost instead of passing into the goal. 

  • A dunk over a defending player. 

  • One who posts a message. 

verb
  • To decorate with posters. 

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