oval vs roly-poly

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. 

roly-poly

noun
  • A forward roll or sideways roll. 

  • A short, plump person. 

  • An old game in which balls are bowled into holes or thrown into hats placed on the ground. 

  • A steamed pudding made from suet pastry containing jam or fruit. 

  • A terrestrial crustacean of suborder Oniscidea; pill bug, potato bug or sowbug. 

  • A toy that rights itself when pushed over. 

adv
  • By rolling, so as to roll. 

adj
  • Short and plump. 

  • Moving with a roll and sway. 

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