brushwood vs deadwood

brushwood

noun
  • Branches and twigs fallen from trees and shrubs. 

  • Small trees and shrubs. 

deadwood

noun
  • Dead branches or wood on a tree, or coarse woody debris. 

  • Money not realized by exiting a winning pump trade too early. 

  • Cards that have been discarded. 

  • People or things judged to be superfluous to an organization or project. 

  • Pins that have fallen and have not been cleared from the alley. 

  • Vertical planks between the keel and the sternpost that act as reinforcement. 

  • Structural material on a load-carrying vehicle that reduces the available cargo space. 

  • Cards in a hand that do not contribute to sets and which are usually counted as points against the player holding the hand. 

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