ball up vs boule

ball up

verb
  • To crush into a ball shape. 

  • To coil up into a ball. 

  • To hunch over and pull in one's arms and legs. 

  • To ruin or botch. 

boule

verb
  • To shape (a piece of dough) into a ball. 

noun
  • A single-crystal ingot produced by synthetic means. 

  • A round loaf of bread. 

  • A round piece of dough. 

  • A through-sawn log with the slices restacked in the order and orientation they originally had in the log, usually with waney edges. 

  • A council of citizens in Ancient Greece 

  • One of the bowls used in the French game of boules. 

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