oval vs rung

oval

noun
  • An elongated round shape resembling an egg or ellipse. 

  • A thing having such a shape, such as an arena. 

  • In a projective plane, a set of points such that no three are collinear and there is a unique tangent line at each point. 

  • A sports field, typically but not exclusively oval in shape. 

adj
  • Of or pertaining to an ovum. 

  • Having the shape of an oval. 

rung

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

  • A position in a hierarchy. 

  • 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 oval and rung occurred in a corpus of books? (source: Google Ngram Viewer )