bristle vs quill

bristle

noun
  • A chaeta: an analogous filament on arthropods, annelids, or other animals. 

  • The hairs or other filaments that make up a brush, broom, or similar item, typically made from plant cellulose, animal hairs, or synthetic polymers. 

  • A stiff or coarse hair, usually and especially on a nonhuman mammal. 

verb
  • To rise or stand erect, like bristles. 

  • To fix a bristle to. 

  • To be on one's guard or raise one's defenses; to react with fear, suspicion, or distance. 

  • To abound, to have an abundance of something, especially something jutting out. 

quill

noun
  • A sharply pointed, barbed, and easily detached needle-like structure that grows on the skin of a porcupine or hedgehog as a defense against predators. 

  • Something having the form of a quill, such as the fold or plain of a ruff, or (weaving) a spindle, or spool, upon which the thread for the woof is wound in a shuttle. 

  • The lower shaft of a feather, specifically the region lacking barbs. 

  • The plectrum with which musicians strike the strings of certain instruments. 

  • A thin piece of bark, especially of cinnamon or cinchona, curled up into a tube. 

  • The tube of a musical instrument. 

  • A pen made from a feather. 

  • The pen of a squid. 

  • Any pen. 

verb
  • To subject (a woman who is giving birth) to the practice of quilling (blowing pepper into her nose to induce or hasten labor). 

  • To pierce or be pierced with quills. 

  • To decorate with quillwork. 

  • To form fabric into small, rounded folds. 

  • To write. 

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