crossbar vs goalpost

crossbar

noun
  • The top of the goal structure. 

  • Any transverse bar or piece, such as a bar across a door, or the iron bar or stock which passes through the shank of an anchor. 

  • The top tube of a bicycle frame. 

verb
  • To mark with a pattern of transverse bars. 

goalpost

noun
  • One of the two vertical side poles of a goal. 

  • A rule or target that is "moved" (changed) unfairly; see move the goalposts. 

  • The tall Y-shaped upright, now usually of fiberglass, at either end of the playing field, through which a football must go in order for a field goal to be scored. (They were originally H-shaped, with one wooden post on either side.) 

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