prop vs timber

prop

noun
  • An object placed against or under another, to support it; anything that supports. 

  • The propeller of an aircraft. 

  • An item placed within an advertisement in order to suggest a style of living etc. 

  • An item placed on a stage or set to create a scene or scenario in which actors perform. 

  • Any of the seashells in the game of props. 

  • A proposition, especially on an election-day ballot. 

  • The player on either side of the hooker in a scrum. 

  • propellant (“rocket fuel”) 

verb
  • To support or shore up something. 

  • To play rugby in the prop position. 

  • To manually start the engine of a propeller-driven aircraft with no electric starter by pulling vigorously on one of the propeller blades using the hands, so that the propeller can catch ignition. 

  • To position the feet of (a person) while sitting, lying down, or reclining so that the knees are elevated at a higher level. 

timber

noun
  • Material for any structure. 

  • The wooden stock of a rifle or shotgun. 

  • Trees in a forest regarded as a source of wood. 

  • Wood that has been pre-cut and is ready for use in construction. 

  • A heavy wooden beam, generally a whole log that has been squared off and used to provide heavy support for something such as a roof. 

intj
  • Used by loggers to warn others that a tree being felled is falling. 

verb
  • To light or land on a tree. 

  • To surmount as a timber does. 

  • To fit with timbers. 

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