boule vs sheaf

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. 

sheaf

verb
  • To gather and bind into a sheaf; to make into sheaves 

  • To collect and bind cut grain, or the like; to make sheaves. 

noun
  • A quantity of arrows, usually twenty-four. 

  • A bundle of arrows sufficient to fill a quiver, or the allowance of each archer. 

  • An abstract construct in topology that associates data to the open sets of a topological space, together with well-defined restrictions from larger to smaller open sets, subject to the condition that compatible data on overlapping open sets corresponds, via the restrictions, to a unique datum on the union of the open sets. 

  • A quantity of the stalks and ears of wheat, rye, or other grain, bound together; a bundle of grain or straw. 

  • Any collection of things bound together. 

  • A sheave. 

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