crosspiece vs stile

crosspiece

noun
  • A horizontal or transverse beam or similar member that extends across or perpendicular to something. 

  • A bar or timber connecting two knightheads or two bitts; a timber over the windlass, with pins for belaying the running rigging. 

stile

noun
  • A vertical component of a frame or panel, such as that of a door, window, or ladder. 

  • A set of one or more steps surmounting a fence or wall, or a narrow gate or contrived passage through a fence or wall, which in either case allows people but not livestock to pass. 

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