oval vs sidelong

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. 

sidelong

adj
  • Along the side of something. 

  • Slanting or sloping; oblique. 

  • Indirect; suggestive; not straightforward. 

  • Directed to the side; sideways. 

adv
  • obliquely 

  • Towards the side; sideways. 

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