crossbar vs rung

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. 

rung

noun
  • A position in a hierarchy. 

  • A crosspiece forming a step of a ladder; a round. 

  • A crosspiece between legs of a chair. 

verb
  • simple past tense of ring 

adj
  • Of a pig: having a ring through the nose. 

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