bead vs boule

bead

verb
  • To form into a bead. 

  • To cause beads to form on (something). 

  • To apply beads to. 

noun
  • A narrow molding with semicircular section. 

  • A bubble, in spirits. 

  • Each in a string of small balls making up the rosary or paternoster. 

  • Knowledge sufficient to direct one's activities to a purpose. 

  • A small, round ball at the end of a barrel of a gun used for aiming. 

  • A small drop of water or other liquid. 

  • A small, round object with a hole to allow it to be threaded on a cord or wire, particularly for decorative purposes. 

  • A rigid edge of a tire that mounts it on a wheel; tire bead. 

  • Various small, round solid objects. 

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 bead and boule occurred in a corpus of books? (source: Google Ngram Viewer )