placard vs splint

placard

noun
  • An extra plate on the lower part of the breastplate or backplate of armour. 

  • A kind of stomacher, often adorned with jewels, worn in the fifteenth century and later. 

  • The woodwork and frame of the door of a closet etc. 

  • A sheet of paper or cardboard with a written or printed announcement on one side for display in a public place. 

verb
  • To announce with placards. 

  • To affix a placard to. 

splint

noun
  • A segment of armour consisting of a narrow overlapping plate. 

  • A device to immobilize a body part. 

  • A bone found on either side of a horse's cannon bone; the second or fourth metacarpal (forelimb) or metatarsal (hindlimb) bone. 

  • A disease affecting the splint bones, as a callosity or hard excrescence. 

  • A dental device applied consequent to undergoing orthodontia. 

  • A narrow strip of wood split or peeled from a larger piece. 

  • Synonym of splent coal 

verb
  • To support one's abdomen with hands or a pillow before attempting to cough. 

  • To apply a splint to; to fasten with splints. 

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