oval vs ovate

oval

adj
  • Having the shape of an oval. 

  • Of or pertaining to an ovum. 

noun
  • 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. 

  • An elongated round shape resembling an egg or ellipse. 

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

ovate

adj
  • Shaped like an egg. 

  • With the broadest extremity near the base. 

noun
  • A member at a certain grade of the Order of Bards, Ovates and Druids, a neo-druidism order based in England. 

  • An Irish bard. 

  • An egg-shaped hand axe. 

  • A modern-day bard of a gorsedd, especially one acknowledged at an eisteddfod. 

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