belly vs overflow

belly

verb
  • To cause to swell out; to fill. 

  • To swell and become protuberant; to bulge or billow. 

  • To position one’s belly; to move on one’s belly. 

noun
  • The stomach. 

  • The main curved portion of a knife blade. 

  • The abdomen, especially a fat one. 

  • The part of anything which resembles (either closely or abstractly) the human belly in protuberance or in concavity; often, the fundus (innermost part). 

  • The womb. 

  • The hollow part of a curved or bent timber, the convex part of which is the back. 

  • The lower fuselage of an airplane. 

overflow

verb
  • To cause an overflow. 

  • To flow over the edge of a container. 

  • To exceed limits or capacity. 

  • To (cause to) exceed the available numeric range. 

  • To cover with a liquid, literally or figuratively. 

  • To flow over the brim of (a container). 

  • To be superabundant; to abound. 

noun
  • The situation where a value exceeds the available numeric range. 

  • The spillage resultant from overflow; excess. 

  • Outlet for escape of excess material. 

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